How Much Does A 6kW Solar Battery Cost In Australia?

How Much Does A 6kW Solar Battery Cost In Australia

Solar batteries, also known as solar storage systems or solar battery storage. These devices are used to store the electricity generated by solar panels.  

Solar batteries are an essential component of a solar panel system as they capture energy from the sun to be stored for later use. Solar batteries come in various types, including lead-acid, lithium-ion, and saltwater batteries.  

And many wonder about the different prices of solar batteries offered in the market. So, how much does a 6kW solar battery cost in Australia? Let’s find out. 

6 kW Solar System with Battery Price

The cost typically involves solar panels, inverters, installation, and battery storage systems. Prices may also differ based on the quality of the equipment, the brand, and additional services offered by the installation provider. 

Obtaining quotes from multiple reputable suppliers and installation companies is always wise.  

Government rebates or incentives can also affect the initial prices. 

Cost breakdown

The cost of a solar battery is typically counted as a price per kilowatt hour ($/kWh). It usually ranges between $900 to $2,000 per kilowatt-hour. The combination of a 10.2kWh Solar battery and a 6.64kWh solar system is priced around $12,888.  

The individual cost of a solar battery alone is $990 per kilowatt-hour, including the hybrid inverter necessary for linking the battery to the solar system. 

For the 13.5kWh Tesla Powerwall battery featuring a built-in inverter, the price is $1200 per kilowatt-hour. 

Meanwhile, the Sungrow 9.6kWh solar battery is priced at $1227 per kilowatt-hour, which includes the 5kW hybrid inverter. 

Various factors influence battery pricing, and we will delve into these in more depth later on. 

A 6kW solar panel system involves a battery with a capacity of 16.6kWh.  

The installation cost for this combined system ranges from approximately $19,935 at the lower end to an average of $25,235. The specific pricing depends on the system’s type and quality. 

Factors Influencing the Solar Battery Cost

solar battery cost

Several factors influence the costs of solar batteries in Australia: 

Battery Capacity: The storage capacity of the battery, measured in kilowatt-hours (kWh), significantly affects its price. Larger-capacity batteries capable of storing more energy tend to be more expensive. 

Battery Chemistry and Technology: Different battery chemistries, such as lithium-ion, lead-acid, or emerging technologies, can impact costs. Lithium-ion batteries, although more expensive up front, are more commonly used due to their higher efficiency, longer lifespan, and better performance than lead-acid batteries. 

Brand and Quality: Reputable brands with proven quality and reliability often come at a higher price point. Established brands might offer more extended warranties and better overall performance. 

Installation Costs: Installing a solar battery involves labour charges, additional equipment, and potential modifications to the existing solar setup. Installation complexities and the need for professional electricians can influence the overall cost. 

Inverter and Other System Components: Compatibility with inverters and other system components can affect the cost. Some batteries may require additional hardware or compatible inverters, adding to the overall expenses. 

Economies of Scale: The solar market’s economies of scale and technological advancements can influence costs. As the solar industry evolves and scales up, prices might reduce due to increased competition, innovation, and improved manufacturing processes. 

Warranty and Lifespan: Batteries with longer warranties and extended lifespans often come at a higher price. However, they may provide better value over time due to their durability and reliability. 

These factors collectively impact the overall price of solar batteries in Australia. Consumers must consider these factors while getting quotes.  

Consulting with reputable solar installers is a must to make informed decisions based on their energy needs and budget.

Factors Affecting the Lifespan of a 6kW Solar Battery

Battery Chemistry: The type of battery chemistry used in the system significantly impacts its lifespan. Lithium-ion batteries are commonly used in solar setups for their efficiency and durability.  

They tend to have a longer lifespan compared to other types, like lead-acid batteries. 

Depth of Discharge (DoD): The depth to which the battery is regularly discharged can affect its lifespan. Small discharges, where the battery is not drained, generally contribute to a longer life.  

More significant discharges can decrease the overall lifespan of the battery. 

Temperature: High temperatures can negatively impact battery life. In Australia, temperatures can be relatively high in certain regions. Excess heat can reduce the battery’s life.  

Proper cooling and temperature regulation systems can help resolve this issue. 

Maintenance and Care: Regular maintenance and proper care are crucial in preserving the battery’s lifespan. It includes ensuring the battery is not overcharged or over-discharged and follows the manufacturer’s guidelines for maintenance. 

Cycle Life: Batteries have a limited number of charge-discharge cycles. Higher-quality batteries mainly offer more processes and, therefore, a longer lifespan. 

Manufacturer and Quality: The quality of the battery and the manufacturer’s reputation can significantly influence its durability. Established brands with higher quality standards often produce batteries with longer lifespans. 

Charging and Discharging Rates: The rate at which the battery is charged and discharged can impact its life. Rapid charging or discharging at high speeds can reduce the overall lifespan of the battery. 

Environmental Factors: Factors such as humidity, dust, and exposure to certain chemicals can also impact the battery’s lifespan. Ensuring the battery is installed in a clean, dry environment can help prolong its life. 

Understanding and managing these factors can contribute to ensuring the 6kW solar battery system in Australia operates efficiently and has an extended lifespan.  

Regular monitoring, following manufacturer guidelines, and appropriate maintenance practices are vital in maximising the system’s longevity.

How Long Does a 6kW Solar Battery Last?

6kW battery cost

The lifespan of a 6kW solar battery, typically measured in terms of its durability and effectiveness, can vary based on several factors.  

Generally, a well-maintained and high-quality 6kW solar battery in Australia can last 10 to 15 years or even longer.  

The battery’s lifespan depends on the type of battery chemistry, depth of discharge, operating conditions, maintenance, and overall usage patterns.  

Proper care, following the manufacturer’s guidelines and suitable operating conditions can help the lifespan of a 6kW solar battery.

6kW Battery Capacity in Household

The capacity of a 6kW solar battery in a household in Australia refers to its energy storage potential rather than its power generation.  

In this context, a 6kW solar battery typically indicates its storage capacity. It is usually measured in kilowatt-hours (kWh).  

A 6kW rating is associated with the solar panels’ power output, while the battery’s capacity pertains to how much energy it can store.  

The specific storage capacity can vary depending on the type of battery and its efficiency. Still, a 6kW solar battery might store around 13-16.6 kilowatt-hours (kWh) of energy.  

This system allows retaining surplus electricity generated by the solar panels for later use, especially when sunlight isn’t available.

Return on Investment with a 6kW Solar Battery

Generally, the ROI for a 6kW solar battery involves calculating the savings on electricity bills over time.  

While it’s a significant investment upfront, the savings from reduced energy costs can contribute to a positive ROI.  

In Australia, with ample sunlight and potential government rebates and feed-in tariffs, the ROI gets faster. It is based on an ideal situation where most solar energy is utilised within the household. 

The ROI duration for a 6kW solar battery typically ranges between 5 and 10 years or more. Factors influencing this period include the initial cost of installation, the amount of energy consumed and stored, the price of electricity from the grid, and any available financial incentives. 

Additionally, the ROI is influenced by the capacity of the battery to store excess energy during peak generation times, such as daylight hours.  

Consider individual energy consumption patterns and local electricity rates to evaluate the ROI properly. 

Calculating government incentives, the lifespan of the system, and potential maintenance or replacement costs can also contribute to this. These parts collectively determine the overall return on the investment made in a 6kW solar battery system.

What are the Government Rebates and Incentives Available?

The Australian government provides various rebates and incentives for solar batteries. One of these initiatives is the interest-free battery loan offered by Solar Victoria.  

It aims to reduce the initial expenses of battery installation. The loan comes without interest, with repayments spread over a 4-year duration.  

For the fiscal year 2023-24, 4,500 loans are available, each with a cap of $8,800. However, some specific criteria must be met to qualify for this loan.  

  • The applicant must own and reside in the property where the system will be installed. 
  • The total annual taxable income of all property owners must be at most $210,000. 
  • The property value should be below $3 million. 
  • The property’s address should have yet to obtain a solar battery rebate. 
  • The property must either possess a solar panel system with an inverter capacity of 5kW or more or will have one installed alongside the solar battery system. 

Additionally, many other federal and state-based rebates for rooftop solar and battery storage are there. For more information regarding these programs, go to the Clean Energy Council website.

Our Solar Experts are here to Help!

Alpha ESS Battery Review For 2023 By Solar Emporium

Alpha ESS Battery Review For 2023 By Solar Emporium

Alpha-ESS is one of Australia’s leading solar battery brands. They have competed with global competitors with an impressive 300% annual growth rate.  

Their production capacity is also noteworthy. They are producing up to 1 Gigawatt of batteries annually. 

Their popularity in the residential market prompted us to make this review. So here goes the Alpha ESS battery review for 2023 by Solar Emporium.

Background on Alpha ESS

Alpha ESS stands out for its commitment to offering comprehensive training and support to installers, engineers, and consultants.  

With a user-friendly installation process and a monitoring platform, users can be confident that their battery will seamlessly integrate with their solar system. And it will ensure optimal performance for years. 

Alpha ESS, a Chinese energy storage systems manufacturer, primarily caters to residential and commercial markets on a global scale.  

The acronym “ESS” comes from “Energy Storage System.” Founded in 2012, the company recently relocated its headquarters to Suzhou, China. Alpha ESS operates through over ten local subsidiaries and offers services in more than 50 countries. 

In 2015, Alpha ESS established an office in Australia and quickly became a part of the South Australia home battery scheme in 2018. Soon after, they started production at full capacity.  

Alpha ESS produces a range of products. The Smile series is for the residential energy storage market. The Storion series is designed for the commercial sector. And an industrial-scale battery enclosed within a shipping container.

Product Information

Alpha-ESS has a huge range of commercial batteries. On the residential side, Alpha-ESS has the Smile Series with different ranges of solar battery sizes to suit all residential purposes. 

Unlike competitors like Tesla and LG, with just one model, Alpha-ESS gives you three size options to fit your energy requirements – 5.7, 10.3 and 13.3 kW.

Alpha ESS Residential Battery System – Alpha ESS SMILE

Alpha ESS battery

The Alpha ESS Smile series is designed for residential purposes. This series unifies a hybrid inverter, a battery system, and a storage unit to accommodate separate ‘battery modules’ for capacity expansion.  

The hybrid inverter serves a dual purpose. It sends solar power directly to the household. In real-time, it converts battery power to usable AC power. While you buy the batteries separately, they integrate into a single aesthetically pleasing unit. 

During a blackout, the Alpha ESS system can supply clean power to a home or business. Importantly, this technology is built into the system, eliminating the need for additional costs or components, contrasting to other battery systems.

Alpha ESS Smile 5 Solar Batteries at a Glance

The SMILE 5 series is equipped with a 5kW hybrid inverter.  

It can also be upgraded with four distinct-capacity batteries. Ranges are from 2.9kWh to 13.3kWh. These can also be expanded up to 80kWh. 

  • The Smile-5 series is a complete unit of batteries, an inverter, and a battery management system. 
  • It offers blackout protection and ensures constant power supply during outages. 
  • It has outstanding solar storage capacity and efficiency. 
  • The Smile-5 series features an innovative and stylish design with durability. 
  • After Alpha ESS Wi-Fi setup, the solar battery can receive real-time software updates.  
  • The product is backed by a 5-year warranty, with a 10-year warranty for the battery itself. 
  • Minimal maintenance is required post-installation. 
  • The residential Solar Battery is available in storage capacities ranging from 2.9 kWh to 34.2 kWh. 
  • These Smile-5 series batteries support 24/7 monitoring, ensuring continuous performance tracking. 

Whether you want to install a solar panel system in your home or already have one, the Alpha ESS solar battery can seamlessly work with your existing solar panel system.

Alpha SMILE B3 Review

The Alpha Smile B3 Plus has a 3 kW output and a minimum capacity ranging from 5.04 kWh to 30.24 kWh. These ranges make it perfect for homeowners who need to increase their battery storage in the future but want to avoid paying high installation costs. 

The Alpha Smile B3 is compatible with both AC and DC energy.  

The Alpha Smile B3 Plus is equipped with LFP technology. It is one of the safest Lithium batteries available in the Australian market. It has an IP65 classification.  

This Alpha series is suitable for outside installation and has an operating temperature range of -10 °C to 50 °C. That makes it ideal for our harsh climate.

What is the Price of Alpha ESS Batteries?

solar battery

The price of Alpha ESS batteries can change based on several things. The prices depend on the battery’s capacity, installation type, and location.  

Generally, a 10 kWh Alpha ESS battery system is approximately $8,500 to $10,000. On the other hand, systems with a 10-20 kWh capacity cost around $12,000 to $15,000 or more. 

These are only approximate values. Contact Solar Emporium and check out our Alpha ESS page to know more.

Alpha ESS Products-

Alpha ESS SMILE5 5.5kWh $8,500 to $9,000 ($AUD) 

Alpha ESS SMILE5 11kWh $12,000 to $13,000 ($AUD) 

Alpha ESS SMILE5 16.5kWh $15,000 to $17,500 ($AUD) 

It’s better to compare the expense of a battery with the potential savings on your electricity bill. Use a Solar Calculator to compare the costs.  

Benefits of Alpha ESS Solar Battery

Several factors made Alpha ESS one of Australia’s top residential solar storage solutions.  
  • Installation of the Alpha ESS solar battery is a hassle-free process. 
  • Its German design guarantees durability and high-energy storage performance for residential use. 
  • These batteries are made from lithium iron phosphate, a chemically safe and secure battery choice. 
  • User reviews confirm the eco-friendliness and highlight their absence of toxic emissions. 
  • This battery is compatible with new installations and is versatile for various setups. 
  • Various ranges of products provide complete residential energy self-sufficiency. 
  • It features multifunctionality by offering multiple operational modes to suit diverse needs. 
  • This solar battery protects during blackouts and is a dependable backup power source. 
  • These have customisable battery sizes to align with your specific needs.  
  • Their inverter comes with the system.  
  • Alpha Cloud monitoring platform delivers all the information about your energy consumption.  
  • Opportunity to generate revenue in the electricity market through integrated VPP software 

Technical Specification

  • 5kW nominal capacity 
  • 5kW surge rating 
  • 7.5kW solar capacity 
  • PV current input: normal 15a – short circuit 18a 
  • Warranty period: 5 years 
  • Usable 13.3 kWh. 
  • Battery warranty: 80% capacity remaining after ten years – 38.836Mwh (Approx- 8000 cycles) 
  • Eight years of throughput at one complete cycle per day 
  • The inverter and battery cost approximately $11385 with installation. 
  • $856 per usable kWh 
  • $/warranted-kWh: $0.29 at one cycle per day / $0.146 at two cycles per day (*8000 @ 2/day = 11 years) 

The Alpha ESS Monitoring Platform

This platform is the most advanced in their battery range. It has all the features of Tesla and LG, with the added feature of trading on the electricity market via Virtual Power Plant (VPP) software.  

With Alpha Cloud Monitoring, your days of physically inspecting the storage system are gone. You just get the Alpha ESS App on your phone or computer and check your system remotely.  

Rather than simply use your battery-stored power in your home, you can also sell it during peak hours. Solar Emporium’s energy experts are happy to explain how it works. Get a free solar quote today!  

Alpha ESS or Tesla Powerwall 2

solar storage

Alpha ESS and Tesla Powerwall 2 are the most popular energy storage solutions in the Australian energy market. Both batteries can store and provide solar panels’ electricity or backup power.  

But which one should you go for? Let’s try to get to the bottom of it.  

Both Alpha ESS and Tesla Powerwall 2 use lithium-ion battery technology. You can install multiple units to increase your storage capacity based on your energy needs. 

Alpha ESS and Tesla Powerwall 2 offer blackout protection by supplying power during grid outages. This feature provides peace of mind and continuous electricity in case of power failures. 

Both systems offer smartphone apps and online monitoring platforms that allow users to track their energy production, consumption, and battery status. 

They come with warranties to guarantee product reliability. Tesla Powerwall 2, for example, comes with a 10-year warranty, and Alpha ESS offers similar warranties. However, the exact terms may vary by region and specific product. 

They are designed to charge and discharge energy efficiently. Alpha ESS and Tesla Powerwall are environmentally conscious in their designs and manufacturing, promoting clean and sustainable energy solutions. 

While they share these standard features, there are differences in pricing, available capacity, compatibility, and some advanced features.  

The choice between Alpha ESS and Tesla Powerwall 2 should be based on your energy needs, budget, and preferences.  

Choose Solar Emporium for Storage Solutions

You need to speak with a solar professional regardless of the battery brand you are considering. Contact Solar Emporium for a better understanding.  

Choosing the appropriate size and technical specifications for your energy needs will maximise your savings and shorten the time it takes to see a return on your investment. 

Solar Emporium offers a variety of batteries to meet even the most specific needs. Also, check out our solar packages and decide for yourself.  

Our Solar Experts are here to Help!

How to manage your solar panel system | Guide 101

How to manage your solar panel system guide

If you are looking for a guide on how to manage your solar panel system, you’ve come to the right place.

In this guide, you will find the answers to the most common “solar panel maintenance” questions. Our guide will help you in maintaining the quality of your system so that it last longer.

Requirements for maintaining your solar panel system

Normally, a solar panel system is extremely durable, it doesn’t require a lot of maintenance. However, it is necessary to check your solar energy generation regularly to ensure that it’s working well. Although your solar system is sturdy, as your panels are placed outside, they are exposed to extreme weather conditions.

Hence, constant exposure to harsh elements can cause damage to the solar panel system- for instance, the DC isolator casing can be damaged which will cause leakage. Allowing rain/moisture to seep in. Thus, regular servicing will help in locating potential faults and keep the solar panel system in good condition.

What common problems can occur with solar panel systems?

  1. Micro-cracks: Micro-cracks are typically caused by poor handling during shipping/transportation or by exerting too much pressure on the tempered glass during installation. These fractures might begin so small that they are not visible to the human eye, but they grow larger over time due to water entry and temperature fluctuations.
  2. Fault in Solar Inverter: Inverters can sometimes stop working due to voltage issues onsite or within the solar system, or there can be an excessive amount of dust collection which may impact the inverter’s temperature and overall performance.
  3. Wiring Issues: According to the regulations in Australia the DC isolator- a switch that turns off the solar panels, is to be placed on the roof. This at times causes the switch to wear out due to overheating or water penetration.
  4. Snail Trails: This common solar panel issue is basically a dark line across the surface of the solar panel which looks- just like its name “snail trail”. It occurs when water/moisture is able to get inside the panel. This snail trail causes the solar panels to lose their efficiency and shorten their lifespan.

How often does your solar panel system need servicing?

It is advised that your solar panels be serviced at least once every two years to guarantee that your system is running properly and safely.

According to Kane Thornton, Chief Executive Officer of the Clean Energy Council, solar power is now helping millions of Australians save money on their electricity bills, but individuals should not simply install it on their roofs and forget about it for the next 25 years.


So, we would recommend a full electrical inspection every couple of years for small residential systems. On the other hand, for commercial systems, we would suggest undergoing inspection every year to ensure the system is running safely to its full potential.

Do your solar panels need any cleaning?

As you already know solar panels need direct sunlight to generate energy, but obstacle like bird droppings, grime, dust, dirt etc. gets in the way. Sometimes heavy rainfall is not sufficient to clean your solar panels.

So, do solar panels need cleaning? The answer to the question is YES. You will have to clean your solar panels– as by cleaning your rooftop solar panels you will be able to significantly boost energy production.

Furthermore, you can clean the solar panels on your own, all you will need is-



  • Freshwater
  • Gentle cleaning agent (diluted soap/vinegar)
  • Soft bristle brush
  • Squeegee

If you want to find out how can you clean your solar panels on your own, we have a comprehensive guide on residential solar panel cleaning which can be found here.

Cleaning your solar panels seems easy, but there are a lot of things which you won’t be able to do on your own. At that time, you will need the service of professionals.

Servicing entails complete electrical testing of the solar panel system as well as a full visual inspection to ensure that the equipment and cables are in proper working condition. Thus, when it’s time to get your solar system serviced, it is wise to call an expert.

How to find out if your solar panel system is performing well?

All solar panel system comes with free solar monitoring software, which you should be able to access once the inverter is connected to the internet. You might need to contact your solar installer to get access if you do not have it in the first place.

The software will give you some history of the system’s performance and also how much solar power is being generated.

On the other hand, you can see the impact of your solar panel system through your energy bills. Although your energy bills do not display how much solar energy was generated, but rather the lower figure of energy that you are presently purchasing from your retailer, as well as any exported solar energy.

If you understand energy consumption well, then an unusually high energy bill might suggest that there are some problems with your solar panel system.

Some important system checks that you should be doing

PV Inverter Test: This is to check that the inverter connects and disconnects to the broader electricity grid safely. To protect others who may be working on a local area of the grid, electricity distributors want to ensure that your system does not flow electricity into the electrical network during a blackout.

Some distributors need an anti-islanding test of the inverter once a year, so check with your distributor for the exact schedule. The test can be performed by a Clean Energy Council-accredited solar installer. However, some homeowners may comfortably do the test themselves if told how by an accredited installer.

Inverter Check on a Regular Basis: Your inverter must be inspected by a professional to make sure that it’s working correctly. And the ventilation grills, heatsinks etc. are all clean. You need to make sure that during the hot weather, nothing interferes with the normal airflow through the unit, as it might cause the inverter to overheat and shorten the lifespan of the inverter.

You can do the maintenance by yourself by making sure that the inverter is dirt-free, and there are no cobwebs or vermin. Ensure that the inverter is running normally. It is wise to talk to your installer and know about what warning codes or error lights to look for in the display.


Solar panels are like a prized possession which have an expected lifespan of 25 years. So, remember that a little maintenance will go a long way towards ensuring that your system saves you money on your energy bills for years to come.

Regular examinations ensure that the system is safe for everyone at home as well as any electrical employees on the distribution network.

So, do what you can on your own, and set a schedule on your calendar to ensure that the fundamentals are not overlooked.

Our Solar Experts are here to Help!

Lifespan Of Solar Panels And Batteries | 2023 Update

Lifespan Of Solar Panels And Batteries

Solar panels have become the new renewable lifestyle for many Australians. Solar batteries are also one of the main components of solar panel systems. Hence, knowing about the lifespan of solar panels and batteries is essential, especially in 2023.  

Solar panels typically have a lifespan of 25 to 30 years. Still, solar panel lifespan can vary based on several factors. The quality of the panels, the manufacturer’s warranty, and Australian weather affect solar panels.  

Solar manufacturing processes can withstand Australian weather conditions. It is harsh due to intense sunlight, high temperatures, and occasional extreme weather events. 

Manufacturers usually provide warranties that guarantee that panels will produce at least 80% of their rated power output after 25 years. However, many panels continue to operate well beyond their warranty period. 

How to Extend the Lifespan of Your Solar Panels?

So, how can individuals adopting solar systems ensure that their panels remain functional throughout their 25-year warranties and even longer? Here are 3 tips to make solar last long:  

Choose a Trustworthy Installer

Since these panels have been installed on your home for over two decades, conducting thorough research is crucial when selecting your installation provider. Finding a reputable installer is the most critical step in this process.   

Monitor Your Energy Usage

While it may seem common sense, solar system owners must regularly check how much electricity their panels generate. Solar systems often include shut-off switches that can be accidentally triggered, even by experienced individuals.  

Keep Your Panels Clean

keeping your panels clean is advisable. Different regions may experience various forms of build-up, including dirt, soil, or snow, which can reduce the panels’ efficiency.  

Fortunately, cleaning the panels is a straightforward task that involves gently brushing off any debris with a broom—just ensure not to apply excessive force that could damage them. 

Overall, with proper maintenance and care, solar panels can provide reliable electricity generation for several decades in Australian weather conditions. 

Lifespan of Home Solar Battery

solar batteries

Like solar panels, the lifespan of solar batteries in Australia depends on many factors. Most solar batteries last between 5 and 15 years. However, this can vary based on the type of battery, usage patterns, and maintenance.  

Here’s a breakdown of different solar battery types: 

Lead-Acid Batteries: These batteries are the least expensive option but tend to have a shorter lifespan. It typically stands around 5 to 10 years. They require regular maintenance and may perform less in extreme temperatures. It can be a concern in some parts of Australia. 

Lithium-Ion Batteries: Lithium-ion batteries are becoming increasingly popular due to their longer lifespan. These batteries last around 10 to 15 years. They are more efficient with a higher energy density. They also require less maintenance than lead-acid batteries.  

Flow Batteries: These batteries have the potential for longer lifespans, often exceeding 15 years. They are relatively new in the market and are less common in residential solar installations in Australia. 

Key Factors Affecting Solar Battery Life

Solar batteries are essential for a solar power system, as they store excess electricity from solar panels for later usage. The choice of a solar battery type depends on various factors, including system size, budget, expected usage patterns, and desired lifespan.  

It’s essential to consult with a solar energy professional like Solar Emporium to determine the most suitable battery technology for your specific needs and circumstances. 

The lifespan of a solar battery, often referred to as its “cycle life,” is influenced by several key factors. Understanding and managing these factors can help maximise the longevity of your solar battery system. 

To maximise the lifespan of your solar batteries in Australia, consider the following: 

Battery Chemistry

The type of battery chemistry used significantly impacts its cycle life. Lithium-ion batteries, particularly LiFePO4, have longer lifespans than lead-acid batteries. 

Depth of Discharge (DoD)

DoD refers to the amount of a battery’s capacity used during each discharge cycle. Shallower discharges, where you use only a tiny percentage of the battery’s capacity, tend to prolong battery life.  


Temperature extremes can significantly impact battery life. Most batteries perform optimally in moderate temperatures (around 20-25°C or 68-77°F).  

High temperatures can accelerate chemical reactions, leading to faster degradation. Freezing can reduce a battery’s capacity temporarily. Proper temperature control and ventilation are essential for solar battery lifespan. 

Charging and Discharging Rates

Charging and discharging a battery at high rates can generate excess heat, shortening its lifespan. Maintaining a balance between charge and discharge rates within the manufacturer’s recommendations is crucial. 


Proper maintenance can extend a battery’s life. For example, regularly checking and maintaining the electrolyte levels in flooded lead-acid batteries can prevent damage and extend their lifespan. 

Quality of Components

The quality of the solar charge controller and inverter in your solar power system can affect the battery’s life. High-quality components are more likely to manage charging and discharging efficiently, reducing wear and tear on the battery.  

Environmental Conditions

The weather conditions in your solar battery system matter. Exposure to harsh weather, excessive dust, or corrosive elements can impact the system’s components and, indirectly, the battery’s life. 

Manufacturing Quality and Brand

The quality and reputation of the manufacturer play a role. Reputable manufacturers often provide longer-lasting and more reliable battery products.  

Proper Sizing

Ensuring that the battery is properly sized for your energy needs can prevent excessive cycling and strain on the battery, which can extend its life. 

Optimising these factors for your specific solar battery will help maximise its lifespan. It will also ensure you get the most value from your solar storage system. 

When investing in a solar battery system, inquire about the specific warranty and expected lifespan provided by the manufacturer and installer. It can vary between brands and models. 

Can Solar Panels Be Recycled?

Lifespan of Solar

Solar panels can be recycled. It is essential to the sustainable lifecycle management of photovoltaic (PV) modules. Solar panel recycling helps reduce the environmental impact of solar energy systems. And it ensures that valuable materials are recovered and reused.  

Recycling solar panels plays a crucial role in the sustainable lifecycle management of photovoltaic (PV) modules, reducing the environmental impact of solar energy systems and ensuring the recovery and reuse of valuable materials.  

Collecting: Various sources contribute to the collection of end-of-life solar panels, including residential, commercial, and industrial installations, as well as manufacturing waste. 

Sorting: The collected panels undergo sorting to separate them from other materials such as frames, junction boxes, and wiring. This separation is vital for maximising recycling efficiency. 

Dismantling: In this step, we remove the outer frame and other non-module components to isolate the solar cells and glass, the primary materials of interest. 

Shredding: After dismantling, we shred the panels into smaller pieces to facilitate the breakdown of the panel into its constituent materials. 

Separation: Different techniques are employed to separate various materials, including glass, semiconductor, and metal components. These materials are then collected for recycling or reprocessing. 

Reprocessing: Each separated material undergoes individual processing. For example, we can reclaim silicon wafers to manufacture new solar cells, reuse glass in other glass products, and melt down metal components for recycling. 

Disposal of Non-Recyclables: Any remaining materials that cannot be recycled are properly disposed of following environmental regulations. 

The solar industry is increasingly adopting solar panel recycling as a standard and cost-effective practice, driven by the maturation of the industry and stricter regulations regarding electronic waste and environmental sustainability. 

Some manufacturers take responsibility for recycling their products, offering take-back programs or partnering with recycling companies to ensure proper disposal and material reuse. 

Efforts are also underway to develop more sustainable solar panel designs that incorporate fewer hazardous materials and are easier to recycle, thus reducing the environmental footprint of solar energy systems. 

Recycling and responsibly disposing of solar panels are essential to ensure that solar power continues to be an environmentally friendly and sustainable energy source. 

Solar panel recycling is becoming more common and cost-effective as the solar industry matures and regulations regarding electronic waste and environmental sustainability become more stringent.  

Some manufacturers take responsibility for recycling their products, offering take-back programs or partnering with recycling companies to ensure proper disposal and reuse of materials. 

Efforts are also underway to develop more sustainable solar panel designs that use fewer hazardous materials and are easier to recycle, reducing the environmental footprint of solar energy systems.  

Recycling and responsible disposal of solar panels are essential for ensuring that solar power remains an environmentally friendly and sustainable energy source. 

Degradation of Solar Panels Over Time

solar panels

Solar panels degrade over time, meaning their energy production efficiency decreases at a specific rate. We measure this degradation rate as a percentage of the initially rated efficiency of the panels per year. 

On average, most solar panels lose efficiency at around 0.5% to 1% annually. However, several factors can influence this rate: 

Quality of Panels: Reputable manufacturers produce high-quality solar panels with lower degradation rates. They often back these panels with performance warranties guaranteeing a specified level of energy production over time. 

Panel Type: Different solar panel types, such as monocrystalline, polycrystalline, and thin film, may exhibit varying degradation rates. Monocrystalline panels, for example, generally experience slower degradation than polycrystalline panels. 

Climate and Environment: Environmental conditions like temperature, humidity, and pollution impact degradation rates. Solar panels in hot and humid climates may degrade faster than those in cooler, drier regions. 

Installation Quality: Proper installation practices, including appropriate mounting, wiring, and maintenance, can mitigate degradation. Poorly installed panels may degrade faster due to exposure to moisture or mechanical stress. 

Manufacturer’s Warranty: Many solar panel manufacturers offer performance warranties that ensure a specific level of energy production over a designated number of years. These warranties often cover a degradation rate below a certain threshold, such as 80% of the initial rated efficiency after 25 years. 

Temperature Coefficient: Solar panels come with a temperature coefficient, indicating how their efficiency changes with temperature. Panels with a lower temperature coefficient tend to experience slower degradation in hot weather. 

Quality of Maintenance: Cleaning panels and regular maintenance help maintain efficiency and decrease degradation. 

Inverter Efficiency: The inverter’s efficiency in your solar system affects panel performance. The efficient and best solar inverter maximises energy harvest and reduces stress on the panels. 

While solar panels are designed to last for several decades, their degradation is sometimes linear. Some panels may degrade more slowly initially and then experience slightly faster degradation as they age. 

Regularly monitoring your solar panel performance can help identify deviations from the expected degradation rate, prompting appropriate action if necessary. 

Additionally, many reputable solar panel manufacturers offer warranties ensuring a specified level of energy production after a specific number of years, giving homeowners confidence in their panels’ long-term performance. 

Our Solar Experts are here to Help!

Victorian Government’s Interest-Free Solar Battery Loans

Victorian Governments Interest Free Solar Battery Loans

The Victorian State Government has announced an innovative battery loan program for its $1.3 billion Solar Homes Program. This program aims to encourage residents to switch to renewable energy sources.  

Under this initiative, Australian homeowners can access interest-free solar battery loans to install battery systems alongside solar panels. These loans will reduce upfront installation costs and enable solar storage to maximise energy output. 

Minister for Energy and Resources, Lily D’Ambrosio, introduced an $8,800 interest-free battery loan. It will empower households to harness the full potential of their solar panels and save thousands of dollars on energy bills over the battery’s lifetime.  

The ultimate goal of this program is to bring down energy expenses for Victorians. And it will contribute to the state’s commitment to achieving net-zero emissions by 2045. 

Using the battery loan scheme, homeowners with existing solar panels can significantly increase their self-generated energy consumption. Consequently, this will double its current capacity.  

Additionally, new customers can take advantage of the loan alongside the pre-existing $1,400 rebate and the $1,400 interest-free loan for solar photovoltaic (PV) technology. Ultimately it will save eligible households $11,600 on upfront installation expenses when installing solar and battery systems simultaneously. 

After applying for the solar PV rebate and federal government small-scale technology certificates (STCs), the out-of-pocket installation costs for a solar and battery system can start at approximately $10,300.  

For those interested in a standalone battery, prices range from about $8,000 for a 6kW/h battery to around $17,000 for an 11kW/h battery. 

Minister Lily D’Ambrosio highlighted the significance of interest-free batteries in facilitating the transition to cheaper renewable energy. The initiative aligns with the state’s ambitious renewable energy target of 95% by 2035, promoting adopting reliable and affordable green energy solutions. 

With the Solar Homes Program’s efforts, carbon emissions in Victoria have already been reduced by 1.7 million tonnes.

Here Are Some Points To Consider:

  • The homeowner will still need to come up with $5,400 upfront, even after factoring in the $1,400 solar rebate and the $10,200 loan. 
  • It’s important to remember that the battery’s capacity will degrade over time. So adding another 3 months to the payback period would compensate for this degradation. 
  • The calculations are based on a fixed tariff of 27c per kWh. For those on a time-of-use tariff, the payback for the battery maybe even better.

A Quick And Approximate Analysis

Utilising the Solar and Battery Calculator assumes a $17,000 system consisting of 6.6kW solar panels and a 9.8 kWh solar battery 

Allocating $6,000 to solar panels and $11,000 to the battery for a homeowner in Melbourne with a pre-solar bill of $2,500 per year. The results indicate average savings of $142 per month in the first year. 

If the loans come without any finance costs, the combined savings would take approximately 6 years to cover the $10,200 loan. 

What Are The Eligibility Criteria?

interest free solar battery loans

Check out Solar Homes Program website to get details on Loan eligibility information. But before that, here is Solar Emporium’s brief take on the eligibility criteria.  

Suppose you are a homeowner in Victoria and own an existing property where you plan to install a solar battery. In that case, you may qualify for a solar battery loan if you meet the following criteria: 

  • All owners’ combined household taxable income must be below $180,000 annually. 
  • The property’s value should be under $3 million. 
  • The property address has yet to receive a solar battery rebate. 
  • The property already has a solar panel system with an inverter capacity of 5kW or higher, or you intend to install one along with the solar battery. 
  • The energy storage you choose must have a capacity of 6kWh or more and should be listed on Solar Victoria’s battery product list.  
  • Additionally, the property should not have an existing energy storage system. 
  • You need to obtain pre-approval from your Distributed Network Service Provider (DNSP) to ensure a safe connection of the battery to the grid. 
  • As an owner, you must agree to receive information from your Distribution Network Service Provider about participating in battery trials to maximise the benefits for households. 
  • Battery storage may not be suitable for all households and situations. So conducting research is crucial as the first step in your battery journey.  
  • The solar battery rebate is not available for homes under construction. 
To start, conducting thorough research and contacting an authorised retailer when you feel confident that a solar battery is a suitable investment for your home is advisable. 

Step 1: Conduct Thorough Research And Evaluate Suitability

There are numerous reasons why people opt for solar battery installation. The most common ones are:
  • Lowering energy costs 
  • Climate change concerns 
  • Energy independence 
  • Ensuring backup power during blackouts 
  • Transitioning to an all-electric household 

However, it’s essential to recognise that installing a battery represents a significant investment for most households.  

To make an informed decision, conducting research is crucial. Before commencing the process, you should address the following questions to determine the right product for your specific requirements: 

  • How is energy typically used in your home? 
  • What should be the appropriate system size for your needs? 
  • What are the installation costs compared to the expected savings? 
  • What other factors should you take into account? 
  • Do you require a battery installation? 
Understand your energy requirements in these scenarios, and assess whether additional wiring or electrical upgrades are necessary. 

Step 2: Locate An Authorised Solar Retailer

After completing your research and determining the solar battery you require, it’s time to find the best retailers. Look for retailers offering multiple designs and quotes for your system. 

To qualify for a solar battery loan, a Solar Victoria-authorised solar retailer must carry out the installation. These retailers meet the requirements set by Solar Victoria for participation in the Solar Homes Program, and specific terms and conditions bind them.  

They employ Grade A electricians who hold Battery Endorsement and received accreditation from the Clean Energy Council (CEC). 

We strongly advise obtaining at least three quotes for systems of similar size and functionality to ensure you get the best options. 

Before finalising any deal with a supplier, conduct thorough research on the company, check customer reviews, and ask any relevant questions to help you feel confident that the proposed battery system is a wise investment for your situation. 

At the very least, ensure that any deposit you pay to the retailer is fully refundable. 

Your authorised solar retailer will furnish you with a written quote containing all the necessary information to make an informed decision. Additionally, they will upload your quote into the Solar Victoria Portal and start your eligibility application process. 

Pre-Approval For Grid Connection Of The Battery

Before your chosen retailer can upload your quote to the Portal, they must obtain approval for grid connection from the Distribution Network Service Provider (DNSP). 

DNSPs determine whether your solar panels or battery can connect to the grid.  

It is essential to verify with your retailer that they have obtained pre-approval and inquire about any potential solar export constraints that may have been imposed. 

These constraints can impact your feed-in tariffs and your ability to participate in Virtual Power Plants. Staying informed about this aspect is crucial. 

Once your retailer has successfully uploaded your quote to the Portal, you will receive an email notification containing a link to complete your initial eligibility application. 

Step 3: Complete Your Initial Eligibility Application

solar battery loan

Once your retailer has uploaded your quote to the Portal, you will receive an email notification with a link to complete your initial eligibility application within the Portal.  

If you apply for multiple solar home products, such as a solar panel rebate, an interest-free loan, and a solar battery loan, you will receive separate emails for each quote.  

Accordingly, you will need to complete individual eligibility applications for each product. Also, if you wish to apply for a hot water rebate, you must confirm that you meet the eligibility criteria and submit a separate application. 

When applying via the Solar Victoria Portal, you must provide proof of identity, income, and property ownership. Ensure you have all the necessary documentation readily available when you are ready to apply. 

For proof of identity, you must enter details from any two forms of ID. It should include a driving licence or learner permit, Medicare card, Australian passport, Australian birth certificate, Australian citizenship certificate, foreign passport with a valid Australian Visa, or an Immicard. The names on the two documents should match. 

Proof of property ownership is typically provided through your local council. If you need council rates notice for an established property, you can seek assistance from Solar Victoria. 

Regarding proof of income, you must provide appropriate documentation for each person listed as an owner on your local council rates notice or a copy of your Certificate of Title.  

If there are multiple property owners, proof of income documents for all listed owners are required, and each person’s documents should be from the same financial year. 

It is essential to note that you, the customer, and not the solar retailer, must complete the initial eligibility check.  

Our Solar Experts are here to Help!

5 Best Solar Batteries For Australia

5 best solar batteries for Australia

Solar power has become increasingly popular in Australia as the world continues to shift towards renewable energy sources. With the abundance of sunshine in the country, it’s no surprise that many homeowners are turning to solar panels to power their homes.  

However, one of the biggest challenges of solar power is storing the energy for use when the sun isn’t shining. This is where solar batteries come in. And it’s the perfect time to learn about the best batteries for Australia.  

With the increasing demand for renewable energy sources and the need for efficient energy storage solutions, solar batteries have become an essential component of Australia’s energy landscape. 

Here are Australia’s 5 best solar batteries for Australia, which include the Sungrow, Eveready Battery, Energizer Battery, Tesla Powerwall, and BYD premium. All of these are one of the most long lasting solar batteries. 

Here are the 5 solar batteries for Australia, which include the Sungrow, Eveready Battery, Energizer Battery, Tesla Powerwall, and BYD premium. All of these are one of the most long-lasting solar batteries in the market.  

Sungrow Battery

The Sungrow Battery is a popular choice for homeowners in Australia due to its high efficiency and reliability. It has a capacity of 6.8 kWh and can be expanded to 102.4 kWh with additional modules.  

The battery is designed to be compatible with most solar inverters and can be easily integrated into existing solar systems. It also comes with a 10-year warranty.


Sungrow Solar Batteries are known for their high-performance capabilities. They offer a range of battery capacities. It typically comes between 5 and 20 kWh to cater to various energy needs.  

These batteries are designed to provide reliable and efficient energy storage. Sungrow can ensure that your solar power system can continue to supply electricity even during periods of low sunlight or at night. 

One of the key performance indicators for solar batteries is their depth of discharge (DoD). Sungrow Solar Batteries boast a high DoD of around 90%, meaning users can utilize up to 90% of the battery’s capacity before recharging.  

This high DoD ensures that you can maximize the use of your stored solar energy, leading to greater energy independence and reduced reliance on grid electricity. 


Sungrow Solar Batteries come with a range of features that make them an attractive option for solar energy storage: 
1. Modular Design: The modular design of Sungrow Solar Batteries allows for easy expansion of your energy storage system as your needs grow. This flexibility is particularly beneficial for homeowners and businesses planning to increase their solar power generation capacity.
2. Intelligent Energy Management: Sungrow Solar Batteries have advanced energy management software that optimizes the charging and discharging process, ensuring efficient use of stored energy and prolonging the battery’s lifespan.
3. Safety and Reliability: Sungrow Solar Batteries are designed with multiple layers of protection, including overcharge and over-discharge protection, temperature monitoring, and short-circuit protection. These safety features ensure that your battery operates reliably and securely.
4. Compatibility: Sungrow Solar Batteries are compatible with a wide range of solar inverters, making them versatile for various solar power systems.

Value for Money

Sungrow offers a competitive warranty of 10 years, ensuring that your investment is protected for an extended period. 

Sungrow’s high performance, advanced features, and extended warranty period make them a worthwhile investment for those seeking a reliable and efficient energy storage solution. 

In conclusion, these Batteries are a high-performance and valuable option for homeowners and businesses investing in solar energy storage. Sungrow Solar Batteries offer a reliable and efficient solution for harnessing the sun’s power and achieving greater energy independence. 

Value for money

Eveready Battery

The Eveready Battery is another excellent option for homeowners in Australia. It has a capacity of 5.6 kWh and can be expanded to 22.4 kWh with additional modules.  

The battery is designed to be easy to install and can be integrated with most solar inverters. It also comes with a 10-year warranty, ensuring homeowners can rely on it for years.


Eveready Solar Batteries are known for their reliable performance in various residential, commercial, and industrial applications. Eveready Solar Batteries boast a competitive DoD, allowing users to utilize a significant portion of the battery’s capacity before recharging.  

This high DoD ensures that you can maximize the use of your stored solar energy, leading to greater energy independence and reduced reliance on grid electricity. 


Eveready, Solar Batteries come with a range of features that make them an attractive option for solar energy storage:
1. Robust Design: Eveready Solar Batteries are designed with durability, ensuring they can withstand harsh environmental conditions and provide reliable performance over time.
2. Low Maintenance: Eveready Solar Batteries are designed to be low maintenance, requiring minimal upkeep to ensure optimal performance.
This feature mainly benefits homeowners and businesses seeking a hassle-free energy storage solution.
3. Wide Operating Temperature Range: Eveready Solar Batteries can operate efficiently in various temperatures, making them suitable for different climates and environments.
4. Compatibility: Eveready Solar Batteries are compatible with a wide range of solar inverters and charge controllers, making them versatile for various solar power systems.

Value for Money

Eveready Solar Batteries have a higher upfront cost than other solar battery options. But their reliable performance, robust design, and low maintenance requirements make them a worthwhile investment for those seeking a dependable energy storage solution. 

Energizer Battery

The Energizer Battery is a newer player in the solar battery market, but it has quickly gained popularity due to its high efficiency and affordability.  

It has a capacity of 5.5 kWh and can be expanded to 22 kWh with additional modules. It also comes with a 10-year warranty.


Energizer Solar Batteries are known for their consistent performance in various applications, including residential, commercial, and off-grid settings. They also offer a range of battery capacities. And they guarantee 70% capacity at the end of 10 years.  


Energizer Solar Batteries come with a range of features that make them an attractive option for solar energy storage:
1. Long Cycle Life: Energizer Solar Batteries are designed with a long cycle life, ensuring they can provide reliable performance over an extended period. This feature benefits homeowners and businesses looking for a long-lasting energy storage solution.
2. Low Self-Discharge Rate: Energizer Solar Batteries have a low self-discharge rate, meaning they can retain their stored energy for extended periods without significant loss. This feature is essential for maintaining the efficiency of your solar power system.
3. Wide Operating Temperature Range: Energizer Solar Batteries can operate efficiently in various temperatures, making them suitable for different climates and environments.
4. Compatibility: Energizer Solar Batteries are compatible with a wide range of solar inverters and charge controllers, making them versatile for various solar power systems.

Value for Money

The Energizer home Battery system is an AC-coupled all-in-one home energy storage solution that can be installed indoors and outdoors.  

It also comes with a 10-year, 10,000-cycle warranty in typical use cases. Energizer guarantees 70% capacity after 10 years under ideal conditions. Other popular home battery brands only assure 60% capacity. 

Energizer Solar Batteries offer a dependable solution considering other popular brands. And it makes the home battery system have value for the money spent.  

Tesla Powerwall

Tesla Powerwall

The Tesla Powerwall is one of the most well-known and popular solar batteries on the market and for a good reason. It has a capacity of 13.5 kWh and can be expanded up to 135 kWh with additional modules.  

The battery is designed to be compatible with most solar inverters and can be easily integrated into existing solar systems. It also comes with a 10-year warranty, ensuring homeowners can rely on it for years.  

The Tesla Powerwall is also known for its sleek design and user-friendly app, allowing homeowners to monitor their energy usage and battery status in real time. It is also considered Australia’s best solar battery. It is also considered Australia’s best solar battery.   

Capacity and Performance

The Tesla Powerwall has a usable capacity of 13.5 kWh. It makes it suitable for most residential solar energy systems in Australia.  

Its high energy density allows it to store significant energy in a relatively compact form factor. The Powerwall has an efficiency of approximately 90%, ensuring that the energy stored and released is utilised efficiently. And it minimises energy loss.

Installation and Integration

One of the key advantages of the Tesla Powerwall is its ease of installation and integration with existing solar systems.  

The Powerwall can be wall-mounted or floor-mounted, indoors and outdoors, providing flexibility in the installation location. It is compatible with most solar inverters, making it a seamless addition to existing solar setups. 

Design and Aesthetics

The Tesla Powerwall’s sleek, modern design distinguishes it from many other solar batteries. Its minimalist aesthetic allows it to blend seamlessly with various architectural styles. That makes it an attractive option for people who value form and function. 

Software and Monitoring

The Tesla Powerwall comes with the Tesla app, which allows users to monitor their energy usage, solar generation, and battery performance in real time.  

The app also enables users to customize their energy preferences, such as setting backup power reserves for emergencies or prioritising solar energy usage during peak hours.

Backup Power

In a power outage, the Tesla Powerwall can provide backup power to the home, ensuring that essential appliances and devices continue functioning. This feature is precious in Australia, where extreme weather events and grid outages can cause disruptions to the power supply.

Price and Warranty

The Tesla Powerwall has a premium price compared to other solar batteries in Australia. However, its advanced technology, design, and performance often justify the higher price point for many homeowners.  

Tesla Powerwall is ideal for Australian homeowners. It helps them use solar energy more efficiently and become more energy independent. The Powerwall is a leading solar battery option in the Australian market. It has impressive capacity, performance, design, and advanced monitoring capabilities. 

BYD Premium

Power backup

BYD has created a battery storage line that can be used in any application. While the modular LV and HV solutions are appropriate for any residential application, the commercial battery is best suited for large-scale implementations. 

BYD Premium offers high energy density, off-grid backup, and excellent efficiency while maintaining high safety. If you are in the solar energy storage market, consider BYD Premium Solar Batteries. 

Off-Grid and Backup

The Battery-Box is well-suited for off-grid applications and emergency power. The high discharge capacity enables operation away from the power grid. BYD has the proper storage for your project, whether used to power a remote cabin or as a backup for sensitive loads. 

Optimization of Self Consumption

The future is the self-consumption of renewable energy. As renewable generation subsidies decrease globally and electricity prices rise, consuming the power you generate yourself becomes more cost-effective. 


In addition to their high energy density and long cycle life, BYD Premium Solar Batteries are also highly efficient. They have a round-trip efficiency of up to 95%, meaning they can store and release energy with minimal loss.  

This makes them a cost-effective solution for solar energy storage, as it reduces the amount of energy wasted during storage and release. 

Overall, BYD Premium Solar Batteries are an excellent choice for anyone looking for a reliable and efficient energy storage solution for their solar energy system. 

Get the Best Solar Batteries from Solar Emporium

Solar batteries have become an essential component of Australia’s energy market. As the Australian solar market grows, solar batteries play a crucial role in a sustainable future. This article will help understand what is the best solar battery in Australia. This article will help understand what is the best solar battery in Australia.  

Solar Emporium has similar goals of getting to a sustainable society. And to help the customers achieve that goal, Solar Emporium has many affordable solar packages. You can get all the solar batteries mentioned above. 

To know more about solar batteries, check out our blog how long do solar batteries last.  

Solar batteries have become integral to Australia’s renewable energy ecosystem. As the country continues to harness the sun’s power, solar batteries provide a reliable and efficient means of storing and utilising solar energy.  

This helps Australians reduce reliance on traditional energy sources and contributes to a greener and more sustainable future.  

With ongoing advancements in battery technology and the continued growth of the solar industry, get a free quote today to ensure the transition.

Our Solar Experts are here to Help!

101 Guide To Solar Batteries| How to Get Started?

101 Guide To Solar Batteries How to Get Started

According to a 2022 Roy Morgan research, over 3.2 million Australian households own a solar energy system. It is almost 32.3% of all households in Australia. And more recently, it is believed that nearly 70% of homes will own solar energy.  

Inevitably, as solar homes are increasing, the need for solar batteries also increases. So keeping that in mind, this is our 101 guide to solar batteries. This blog will provide Australians with all the details on how to get started with solar batteries.  

Solar battery storage systems aid in the resolution of a variety of solar energy issues. Connecting a battery to a grid-tied solar energy system allows the system to continue powering even when the grid is down. It will help with power access rather than disconnecting to generate electricity. 

Solar batteries can also help commercial customers reduce peak demand charges and become more resilient in power outages. Many state and local governments are restricting the usage of carbon and fuel-powered generators. 

As the popularity of solar storage systems grows, conditions continue to support solar adoption. And Solar Emporium is ready to support as many people as possible so that they can make their community a better place. 

Battery storage for solar applications helps to relieve strain on our electrical grid by replacing unstable grid energy with clean-green electricity. It allows heavy cycling and periodic full-capacity recharging.  

Several types of batteries are available to meet these specific needs. The cost of a solar battery, installation process, lifespan, and maintenance are all factors to consider when selecting a battery. But first, we need to understand the basics of solar batteries.  

101 guide to solar battery

Understanding Solar Batteries

Owning a solar battery has a three-part process. First, you need to understand the basics of solar batteries. Then you need to know what factors to consider before purchasing a solar battery. Lastly, you have to know about the maintenance process.  

What Are The Best Solar Batteries?

Solar batteries for home energy storage typically comprise one of three chemical compositions: lead-acid, lithium-ion, or flow batteries. In most cases, lithium-ion batteries are the most cost-effective option for a solar panel system. However, other battery types may be available.

How To Evaluate Solar Storage Options

Considering solar energy storage system options, you’ll encounter many complicated product specifications. It may create more questions about the best equipment to match your solar battery.  

To evaluate your solar battery options, you should first understand its capacity to store energy and power ratings. Then it would be best to compare the depth of discharge (DoD), efficiency, and warranty. 

Calculating the Size of Your Solar Battery System

Properly sizing your battery is critical. But consumers and solar installers may frequently overlook it. Batteries in PV systems are often undersized due to cost or underestimation of system loads.  

Understanding the customer’s energy requirements and correctly designing a plan that best meets their objectives is very important. Solar battery manufacturers’ online system sizing calculators can help simplify determining battery capacity for load requirements. 

How long will a solar battery last?

The lifespan of a solar battery varies from 5 to 15 years, depending on the type. Lithium batteries have a lifespan of up to ten years. Lead-acid batteries have a lifespan of 3–5 years. 

How Many Hours Of Energy Can A Solar Battery Provide?

Several factors determine this. These factors will help determine how long you can power your home. 

 The most significant factors to consider are:  

  • Number of appliances running in your house 
  • Your battery’s total capacity 

Considerations When Purchasing Solar Batteries

solar plus storage

Various factors should be considered when calculating the total cost of installing a solar battery to your solar energy system.  

Price: A solar battery with a low upfront cost may sacrifice quality and battery life; you may offer a lower upfront cost for a significantly higher future cost. But the need for frequent battery replacements may increase the cost over time.  

That is why, when deciding, it is critical to consider all factors other than price. 

Capacity: Battery capacity is significant because it represents the energy the battery can store. 

Voltage: The voltage of the solar battery bank should be considered to ensure that it meets the requirements of the solar system. Your solar energy system will include a solar inverter. Depending on the voltage of your solar battery bank, you may need to purchase a different inverter.  

The inverter specifications determine the voltage of the solar battery. Ideally, it should be installed on a system that converts DC-to-AC energy so that the voltage of loads in a DC energy system.  

Cycles: The cycles of a solar battery are the most crucial factor to consider. The battery cycle indicates how many discharge/charge cycles it can provide before capacity drops to a specified rated capacity percentage.  

Solar batteries with the same power, energy content, and weight may exist. However, the battery’s design, material, and quality will influence how many times it will cycle appropriately over its lifetime.  

Maintaining Solar Batteries

Let’s assume the installation process is done. But your work isn’t done yet. You still need to maintain a few things to have a properly running battery to power your house. Here are a few things you can keep on checking:  
  • If it’s kept in a protected space or not  
  • How is the backup process 
  • How much backup is the battery providing for your appliances  
  • Is the monitoring app or device working well or not  
  • Is the battery providing enough off-peak power  
  • Are the transformers working correctly or not  

Choose Solar Emporium for Solar Solution

The most expensive component of a solar power system is a battery. However, battery technology is spreading due to electric vehicles and the push toward renewables such as solar and wind. 

Companies pour millions of dollars into research and development to build cheaper, better batteries. This is excellent news for us. Battery prices have been declining over the last decade. Hopefully, this trend will continue with more advancement in the space.  

You now understand solar better than an average person. However, don’t stop there! Call Solar Emporium today or get a free quote for your desired solar solutions.  

Our Solar Experts are here to Help!

What Type of Batteries To Use With Solar Panels

What Type Of Batteries To Use With Solar Panels

Solar energy systems typically comprise solar batteries and panels, mounting tools, and an overall performance monitoring system. Solar energy systems 

Most houses are connected to the grid. These systems are more commonly used for backup among homeowners. Many people, however, are looking for a replacement for their utility supply. One common reason people switch to solar is to avoid high energy costs. 

So what type of batteries to use with solar panels to avoid high energy bills?  

Various type of solar batteries are used as a backup for critical loads when the grid fails. You can choose from multiple types of solar batteries to use for your system. These solar batteries are designed to provide auxiliary power to the grid. 

As we all know, four different types of solar batteries exist in the solar industry.  

  • Lead Acid Batteries  
  • Lithium-ion Batteries  
  • Nickel-cadmium (Ni-Cd) Batteries 
  • Flow Batteries 

Lithium-ion and lead acid batteries are the most used of these four batteries. For a detailed review of all these batteries, check out our last blog about 4 different types of solar batteries. 

Lead Acid Batteries

For many years, lead-acid batteries have been a reliable energy supply for off-grid areas. They are typically deep-cycle and low-cost. Lead-acid batteries are known for their high power and discharge current but low energy density. They can take up to 14 hours to charge fully. 

Because of their highly toxic nature, these batteries should be thrown away properly. Otherwise, it can threaten the environment. 

The flooded lead battery is dependable but must be watered and ventilated to function correctly. The VRLA comes in two varieties: gel and absorbed glass mat (AGM), which have valves for off-gassing regulation. These are appropriate for cold and warm temperatures. Although VRLA batteries provide enough installation flexibility, their temperature sensitivity may pose a challenge to people looking for a permanent alternative to their grid supply. 

Li-on batteries for bet efficiency

Lithium-ion Batteries

Lithium-ion batteries are becoming a more popular choice for solar systems worldwide. The development of this type of battery is heavily influenced by its application in the electric vehicle industry. Its prism shape allows ventilation which is beneficial in solar systems. 

Lithium-ion batteries have a distinct voltage range and charging response. A voltage regulator charge controller is used to charge them. Despite low self-discharge, lithium-ion batteries do not benefit from long-term charging. 

This type of solar battery requires little to no maintenance and has a high energy capacity and a long lifespan. Lithium batteries are evidently more expensive than lead-acid batteries. They may also need a protection circuit to regulate the current and voltage. 

Lithium-ion batteries can provide more cycles than lead-acid batteries. It makes them ideal for providing additional services to the grid. Lithium-ion batteries’ high charge and discharge efficiencies make them an excellent choice for solar systems.  

These batteries also lose less capacity when unused. That is very beneficial in solar installations where energy is only used occasionally. 

In Comparison, Which Battery Is Better?


The capacity of a solar battery simply describes its ability to store electrical power. Because of their heavier weight, lithium batteries have a higher degree than all other types of lead-acid batteries.  

To power a 5.1kW, you’ll need about 8 lead-acid batteries, whereas two lithium-ion solar batteries will suffice.  

Because lithium batteries have a higher energy density. They can be installed in difficult places because they can also fit more capacity into less space. Both nickel-cadmium and sodium nickel chloride have a broad capacity range.  

DoD (Depth Of Discharge)

The DoD of a solar battery is the usable portion of its capacity, and a DoD of at least 40% is recommended for optimal battery usage. Lead batteries have a DoD of 50%, whereas nickel-cadmium batteries have a DoD of 15%. 

Exceeding this limit before recharging reduces battery life. In contrast, lithium-ion and sodium nickel chloride solar batteries have an 80% DoD, implying a higher usable capacity. 

Warranty Of Solar Batteries

When deciding which solar battery to use in your system, consider its battery life as the best indicator of its ability to retain capacity. One charge cycle is the chargeback up from a discharge and is the primary determinant of battery lifespan.  

In addition, the number of cycles your solar battery will go through will be determined by the frequency with which it is used. This characteristic varies even for the same type of solar battery and is influenced by the battery’s depth of discharge.  

A warranty is always a good indicator of dependability in any brand or product, including solar batteries. 


The round-up efficiency is the difference between the available energy and the amount of energy used to charge a solar battery 

The higher a battery’s round-trip efficiency with the DoD, the better. Regarding 95% efficiency, lithium-ion solar batteries win because they have the most conversion rate from solar power.  

This means that depending on the configuration of your system, you may need to install fewer solar panels and batteries. 

Charge Rate

Another factor to consider when purchasing a solar battery is the charge rate. It indicates how quickly a battery will be recharged when connected to a charger. It is expressed in fractions like C/4 function capacity.  

With a charge rate of C/5, lead-acid solar batteries can take up to twice as long to charge as lithium-ion solar batteries, especially during peak hours.  

Lithium-ion batteries and flooded lead-acid are ideal for full-time, off-grid power at various levels of use. If you need a battery for a vacation home or somewhere you won’t spend much time during the year, a sealed lead-acid battery is your best bet. 

It has a low self-discharge rate and requires no maintenance. 

You must consider power outages when purchasing a battery solely for backup purposes. It will help determine how frequently you’ll need your grid supply throughout the year.  

A low-maintenance battery, such as a sealed lead-acid solar battery, will be more beneficial if only used a few times.  

However, after examining other comparisons, lithium-ion batteries are the correct choice. These batteries have better capacity, DoD, warranty, and charge rate.   

Considering these parameters, you can accurately plan and install your solar system. You can choose which type of solar battery is best for you based on your intended system use.  

What Is A Solar Charge Controller?

The solar charge controller is a device that connects your solar panels and batteries. The controller ensures that your batteries are not “overcharged.” Overcharging your batteries causes them to overheat and catch fire. 

A controller also determines how to properly charge your batteries by varying the flow of amps and voltage rate based on the battery manufacturer’s recommended specifications. 

The market is flooded with low-cost solar charge controllers. There are better places to cut corners. Spend a little more money on a high-quality solar charge controller. 

All batteries are replaced at some point. Therefore, you need to decide wisely on the storage system. You’ll need to spend more time researching if you buy expensive batteries. It will help manage them more to get the most out of them.  

Our Solar Experts are here to Help!

Is It Still A Good Idea To Get Solar Panels In 2023?

Is It Still A Good Idea To Get Solar Panels In 2023

Solar panel prices have dropped significantly in the first two months of 2023. Experts predict significant price drops of 10% annually for the next ten years.

Keeping the above in mind, is it still a good idea to get solar panels in 2023? And how much money do you save with solar panels in Australia?

One of the reasons solar panel prices have risen in recent years has been due to a shortage in polysilicon manufacturing. Several factors influenced the price increase, including weather, industrial accidents, and the global pandemic.

These factors contributed to supply chain issues, and prices went up. But will solar panels get cheaper in 2023? Yes, solar panel price drop is very evident now. 

But if you wait any longer, you’ll definitely miss out on significant energy savings at a low initial cost. And electricity prices will continue to rise.

Many factors contributed to a spike in natural gas prices in 2022, which affected energy prices. The energy price has increased by up to 50% in many states in Australia.

With the cost of solar PV systems falling, now is the perfect time to switch. Even if forecasts indicate that prices will fall further in the coming years, you shouldn’t take your chances.

Many promising government incentives are still active in Victorian and New South Wales. Therefore, taking advantage of low prices is a wise decision now!

Feed-in Tariffs

Solar panel prices have fallen by nearly 82% in the last decade. As a result, Australians can enjoy the best solar feed-in tariff for their solar system at a low cost.

People who adopted solar technology early had to pay an excessive amount for systems that could be more efficient compared to now. But they relied heavily on the feed-in tariff to achieve a reasonable payback period.  

Governments aided early adopters financially while driving the industry to develop new and more efficient systems using a feed-in tariff.

Solar Rebates and Incentives In 2023

The Small-scale Renewable Energy Scheme provides individuals and small businesses a financial incentive to install eligible small-scale renewable energy systems. It is managed through the development of small-scale technology certificates.

And for expected power generation, small-scale technology certificates are provided. This renewable energy is used to replace nonrenewable energy sources.

Homeowners can now get lower purchase rates through an agent via these certificates. The volume of this benefit varies depending on the amount of solar energy available in that state.

Small-scale technology certificates can be generated after the installation of an eligible system. And these are calculated based on the amount of electricity produced or replaced.

The small-scale technology percentage (STP) determines the number of small-scale technology certificates that electricity retailers must submit annually.

Energy Prices

Energy prices in Australia are expected to skyrocket in 2023 in Australia.

The market offers rose between 8.5% and 18.3% in New South Wales, up to 12.6% in Southeast Queensland, and 9.5% in South Australia, beginning in July 2022. Victorians have also experienced an increase of approximately 5%.

The changes also affect small business customers. With standing offer prices rising by up to 13.5 per cent depending on the state.

The Australian Energy Market Operator (AEMO) warned that the average household energy bill could rise by 20% again this year.

With the energy prices rising, solar manufacturers might increase their prices too. So grab your desired solar system before it’s too late.

Why Are Solar Panels Less Expensive Now?

Initially, solar panels took a lot of work to manufacture and install. Thus, making them costly. Because of their lower efficiency ratings, panels took longer to help recoup their high upfront costs.

However, advances in solar technology, combined with federal and state incentives, rebates, schemes and initiatives, have entirely transformed the solar industry landscape.

According to a 2021 study, the cost of solar panels has lowered by more than 82% since 2010. There was an average increase in efficiency of about 250%. As a result, solar power is now less expensive. And they can pay for themselves in less time.

Despite price drops, solar panels still have a high upfront cost. However, numerous federal incentives, such as the Federal Solar Investment Tax Credit and statewide programs, can assist homeowners in recouping the high upfront costs.

How Much Money Can You Save With Solar Panels?

Solar consumption means using the solar energy you generate to power your home. As feed-in tariffs fall, solar energy is your best option for getting the most out of the Sun.

You can get the most out of your solar panels if you use them during the day when your panels produce electricity from the sun.

However, you should continue saving money in the evenings, early mornings, at night, or during bad weather or winter.

In that case, you must invest in a solar battery that can store excess solar power for longer. Instead of selling your energy and repurchasing it from the grid, you can distribute it evenly across your household’s needs.

How Much Value Will Solar Increase to Your House?

Electricity bills have risen dramatically, and the prospect of one less utility bill appeals to any buyer. In March 2023, it was announced that electricity prices in Victoria would increase by 31%, while prices in NSW would rise by 22%.

But how much does solar increase home value in Australia? According to a survey, 85 per cent of Australians believe solar rooftop panels increase the value of a property.

Furthermore, it is believed that three-quarters of renters would pay more rent to live in a property that used solar energy.

So, Do Solar Panels Pay for Themselves?

The short answer is yes in almost all cases. The payback period for solar panels in Australia has gotten easier. But to get the most out of your panels, you must first understand how your household uses power and begin thinking about self-sustainability.

A few years ago, your feed-in tariff rate made it an easy choice. However, by 2023, most solar systems installed will only achieve a satisfactory return on investment with the assistance of a solar battery.

Solar savings are a significant motivator for solar adoption. Our team is always efficient in assisting you to know everything about solar installation as electricity bills continue to rise.

Why Should You Switch to Solar in 2023?

We recently saw an increase in electricity prices for the entire year of 2022. This resulted in price increases for energy of up to 50% in some areas.

Waiting to install solar panels means missing out on savings on your energy bill, which will continue to rise over time.

Here are some reasons why you should go solar now rather than later.

  • The cost of PV panels for homes is currently low, but this may change soon.
  • In several markets, favourable government incentives for solar energy are decreasing or being phased out entirely in the coming years.
  • Solar power eventually increases your home’s value, and you can sell it faster.
  • Compared to 2022, residential electricity prices in Australia will increase significantly by the end of 2023.
  • If you installed a solar photovoltaic system that generated enough power to offset the increasing energy bill, your savings would grow in two or three years.

Solar Emporium’s affordable solar pricing packages are waiting for you! Contact us right now to become energy independent.

Our Solar Experts are here to Help!

What Are The 4 Different Types Of Solar Batteries?

What Are The 4 Different Types Of Solar Batteries

Before getting a solar battery, you need to know the different types of solar batteries and their specifications. There are 4 different types of solar batteries available for you.  

Let’s get a background of solar batteries first!  

In summary, solar batteries store excess energy produced by solar panels. When energy output is low, you may use the excess energy to power your home. For example, you can use the sun’s energy on cloudy and rainy days or even after sunset.  

Using solar plus storage depends on various reasons like climate and topography to culture and way of life. Most people in Australia work during the day. Therefore, automatically they consume less energy during the daytime.  

But that’s when solar panels collect most sunlight to convert it to electricity. And that’s what demands the development of storage technology.  

Differences Between Solar Batteries and Regular Batteries

Solar batteries are specifically built to store and release renewable energy on demand. They are made with different materials than ordinary batteries to handle the slower charge/discharge rates associated with dependable solar energy sources. 

Traditional batteries have limited energy stored in a single cell, making speedy charging difficult. Solar batteries, on the other hand, have two or more cells and may provide electricity for a much longer period. 

Solar batteries can also be lead-acid, nickel-cadmium, or lithium-ion. Instead of a standard battery, a solar system will provide more energy over time and not leak heavy metals into the environment after completing its life cycle. 

Solar Battery Types

different types of solar batteries

Four primary types of batteries are used to store electricity from solar power systems. The following section summarizes commercially available technologies and information on each type. 

Lithium-ion Batteries

Maintenance of Lithium-ion batteries is relatively easy. These batteries have higher energy density than other batteries. That’s how they can store more energy in a smaller space. Li-ion batteries also have a longer life cycle. Most of the batteries are guaranteed at least ten years.  

However, one of the most significant downsides of lithium-ion batteries is their higher cost than other energy storage technologies.  

Furthermore, because of their chemistry, lithium-ion storage systems are more likely to catch fire due to a phenomenon known as thermal runaway.  

Although, if properly fitted, the chances of your battery catching fire are almost zero.  

Lithium-ion batteries are ideal for residential solar installations because they can store more energy in a smaller space and allow you to utilise more of the stored energy. 

Nickel-cadmium (Ni-Cd) Batteries

Nickel-cadmium (Ni-Cd) batteries are less popular than lead acid or lithium-ion batteries.   

These batteries first came into the market in the late 1800s. After the remodelling in the 1980s, they considerably boosted the energy they could store. Ni-Cd batteries are the most popular in the aircraft industry.  

The fundamental advantage of Ni-Cd batteries is their long life. They are also capable of operating at high temperatures. Furthermore, they are almost maintenance-free and do not require complex battery management systems. 

But Ni-Cd batteries are exceedingly poisonous because of cadmium. Consequently, cadmium use is prohibited in various countries. They are also vulnerable to the memory effect, which reduces their ability to keep a charge.  

But because of their endurance, Ni-Cd batteries are useful for large-scale applications such as utility solar energy storage.  

Flow Batteries

Flow batteries are a new technology in the energy storage industry. They contain a water-based electrolyte liquid between the battery’s two chambers or tanks.  

When charged, chemical reactions occur, allowing the energy to be stored. These batteries are becoming increasingly popular. 

Because of their larger size, they are more expensive than other batteries. The cost and size make it difficult for household use. 

One of the best features of flow batteries is their 100% depth of discharge. This means you can use all the energy in the battery without damaging its mechanism.  

Unfortunately, these are far more expensive than other types of batteries. They also have an insufficient storage capacity compared to other battery systems.  

Flow batteries serve better in large-scale systems. Because of how they work, they must be huge enough to hold any significant quantity of energy.  

Lead Acid Batteries

Lead acid batteries are the most tested and reliable technology in the solar battery industry. These deep-cycle batteries date back to the 1800s. And they’ve been able to stay because of their dependability.  

These batteries have been classified as flooded batteries and sealed batteries. Lead acid batteries are the least expensive energy storage, making them the most cost-effective. They are also trustworthy because of the long industry journey.  

To function correctly, flooded lead acid batteries require ventilation and maintenance. That increases the likelihood of the battery leaking. Also, their low depth of discharge (DoD) results in more frequent charging.  

They have a lifespan between 5 and 10 years because of their modest depth of discharge. Lead-acid batteries are ideal for off-grid solar systems and backup storage for a power outage. 

How to Choose the Best Solar Battery Type for You

The two main distinctions are the battery’s chemistry and whether it is AC or DC-coupled. Which battery is best depends on when you plan to install it, how frequently you plan to use it, and how much space you have. 

A lithium-ion battery is usually the best option for a residential solar installation. They can store more energy in less space, discharge most stored energy, and have high efficiency.  

Furthermore, because these are the most popular, many solar businesses can precisely and safely install a Li-ion solar battery.  

If you are on a tight budget, lead-acid batteries may be the ideal alternative. They have been used for decades and are cheap. 

Call Solar Emporium as your trusted solar contractor to determine which solar battery best matches your needs. Get a Free Quote Today!  

Costs of Solar Batteries

solar battery for excess energy

The type and size of the battery selected determine the cost of a solar battery or battery system. Lead-acid batteries have a lower initial price to the consumer than lithium-ion batteries.  

However, investing in a lithium-ion battery may save money in the long run, depending on how the batteries are used.  

Check out Solar Emporium’s lucrative solar storage packages! 

Depending on size and power, a single lead-acid battery can cost between $200 and $800. Although to keep a household fully powered, it may require multiple lead-acid batteries.  

On the other hand, a household lithium-ion solar battery system with installation costs between $7,000 and $14,000. 

Nickel-cadmium and flow battery prices vary depending on the size and scale of the installation. Because of the expense, durability, size, and stability in extreme temperatures, they are sometimes utilised in residential houses. But these are better suited for commercial and industrial environments. 

Our Solar Experts are here to Help!