Australia has witnessed a significant surge in the adoption of solar energy. There are different types of solar batteries and finding the best solar battery is inherent for homeowners seeking efficient ways to shift to renewable and clean energy. In this article, we will explore the best solar batteries available in Australia for 2025 to help you find the right investment that suits your power needs.
Why Should You Invest in a Solar Battery?
Investing in the best solar battery is the key to energy independence, lowering electricity bills, and practicing environmental sustainability. First, powering your home with a solar battery reduces dependence on electricity providers. This makes solar batteries or power stations a solution to home off-grid power supply, power outages, emergencies, and outdoor adventures.
Second, good solar batteries and power stations can significantly lower your electric bills or even eliminate them. The initial investment might be high, but its benefits are rewarding in the long run. Third, having a solar battery is a good way to practice environmental sustainability. It means you’re not relying on fossil fuels and coal-powered electricity, thus reducing carbon footprint.
6 Best Solar Batteries Available 2025
Before anything else, know that the list below includes solar batteries and portable power stations. There are different types of solar batteries and power stations. A solar battery is connected to your home’s solar system, while a portable power station is a standalone battery.
Here are the best solar batteries and portable power stations in Australia for 2025, each offering unique features to cater to different energy needs.
1. EcoFlow RIVER 3 Plus Portable Power Station
EcoFlow RIVER 3 Plus Portable Power Station is a compact portable power station ideal for camping and emergency situations. With a 286Wh capacity and 600W output, it powers essential devices like lights, laptops, and small appliances. Its X-Boost technology can handle devices up to 1200W, ensuring versatility. The unit’s lightweight design makes it easy to transport, and its multiple charging options, including solar compatibility, provide flexibility in various scenarios.
2. EcoFlow DELTA Pro 3 Portable Power Station
EcoFlow DELTA Pro 3 Portable Power Station is a robust portable power station with a 4,096Wh capacity and 4,000W output, capable of powering high-demand appliances. Its expandable capacity and multiple charging methods, including solar and EV station compatibility, make it versatile for various energy needs. Despite its advanced features, it maintains a user-friendly design, suitable for both home backup and outdoor activities.
3. EcoFlow DELTA 2 Portable Power Station
EcoFlow DELTA 2 Portable Power Station is a compact yet powerful portable power station with a 1024Wh capacity, expandable up to 2048Wh with an extra power pack. It delivers 1800W AC output, suitable for most household appliances and outdoor activities. DELTA 2 supports fast dual charging, combining AC and solar inputs to achieve a full recharge. It has a durable design and long-lasting LFP battery to ensure reliability and longevity.
4. Tesla Powerwall 3 (Solar Battery)
Tesla Powerwall 3 is a sleek, efficient, and leading home battery system with a 13.5kWh usable capacity. It integrates seamlessly with solar panels and the Tesla app, allowing real-time monitoring and control. Powerwall 3 offers backup power capabilities, ensuring uninterrupted power during outages. If you’re looking for the best home solar battery,Powerwall 3 is one of the popular solar batteries in Australia.
5. Sigenergy SigenStor (Solar Battery)
Sigenergy SigenStor has 10kWh capacity. It utilizes advanced lithium iron phosphate (LiFePO₄) technology to guarantee safety and longevity. Sigenergy supports modular expansion, allowing homeowners to increase storage capacity as needed. Its intelligent energy management system optimizes energy usage, enhancing efficiency and lowering power bills.
6. Sungrow SBP4K8 (Solar Battery)
Sungrow SBP4K8 is a reliable and affordable home battery with a 4.8kWh capacity. It has a compact design and compatibility with new and existing solar systems, making it the best battery for solarsystems. Sungrow utilizes lithium iron phosphate technology, ensuring safety and durability. It also has a user-friendly monitoring system for battery health insights and power consumption.
How to Choose the Right Solar Battery for Your Home?
Choosing the best solar battery should involve careful consideration of several factors to ensure it aligns with your home energy needs and system specifications. Here are some factors to consider before investing in a solar battery:
1. Capacity and Output: Determine your household’s energy consumption to select a battery with adequate capacity (kilowatt-hours, kWh) and power output (kilowatts, kW). A battery that aligns with your daily energy usage ensures optimal performance and cost-effectiveness.
2. Compatibility: Ensure the battery is compatible with your solar panels and inverters. Some batteries work best with specific inverters or require additional components for integration. Consulting with a professional installer can provide clarity on compatibility issues.
3. Lifespan and Warranty: Consider the battery’s expected lifespan and the manufacturer’s warranty. A longer warranty period means the manufacturer is confident in the product’s durability and performance.
4. Efficiency Ratings: Look for batteries with high efficiency, which indicates the percentage of energy that can be used after storage. Higher efficiency means less energy loss during the charging and discharging process, maximizing the utility of your stored solar power.
5. Cost and State Incentives: Evaluate the overall cost of the battery, including installation and maintenance. Search for available government rebates and incentives in your state to reduce your investment cost.
Are There any State Rebates for Solar Batteries in Australia?
Yes. Several Australian states offer rebates and incentives to encourage the adoption of solar battery systems. Given the high cost of initial investment in solar energy, rebates can offset the cost. Below are the available rebates as of 2025, organized by state and territory.
- Australian Capital Territory (ACT): The sustainable household scheme of ACT offers zero-interest loans to eligible households for energy-efficient upgrades, including solar panels and battery storage systems.
- New South Wales (NSW): Starting from 1 November 2024, NSW provides residential battery incentives ranging from $1,600 to $2,400 off the upfront installation costs of a battery for homes and businesses with existing solar systems. Additionally, incentives between $250 to $400 are available for connecting your battery to a Virtual Power Plant (VPP).
- Northern Territory (NT): NT offers ahome and business battery schemewhich provides grants of up to $12,000 for the purchase and installation of battery energy storage systems. It aims to reduce electricity costs and promote renewable energy adoption.
- Queensland (QLD): As of 2025, Queensland does not have active state-based rebates for solar battery installations. The previous Queensland battery booster rebate concluded and no new rebates have been introduced.
- South Australia (SA): As of 2025, South Australia offers energy bill relief through the Energy Bill Relief Fund. Eligible households can receive up to $300 annually, applied as $75 quarterly credits on electricity bills. Eligible small businesses may receive up to $325 annually, applied as $81.25 quarterly credits. This relief is automatically applied by electricity providers to eligible accounts.
- Victoria (VIC): Victoria offers interest-free loans for solar battery installations. Eligible households can access loans to cover the cost of a solar battery system, making energy storage more affordable. Homeowners can apply for an interest-free loan of up to $8,800, repayable over four years.
- Tasmania (TAS) & Western Australia (WA): As of 2025, there are no specific state-based battery rebates in Tasmania and Western Australia. Residents in these states can still benefit from federal incentives and are encouraged to consult local councils for any available programs.
Conclusion
Investing in the best solar battery in Australia offers numerous advantages, including energy independence, power bill savings, and a positive environmental impact. With the six high-quality options mentioned, homeowners can select a system that aligns with their energy needs and budget.
Additionally, state-specific rebates and incentives can significantly reduce the initial investment cost, making solar battery adoption more accessible. By carefully considering the different factors mentioned, you can assess solar batteries before making a decision.
FAQs
How long do solar batteries typically last?
The lifespan of solar batteries varies based on the type and usage. Lithium-ion batteries, which are commonly used in residential settings, typically last 10 to 15 years. Another example is the Victorian government’s SEC Renewable Energy Park which is projected to have a 30-year lifespan, reflecting the durability of modern solar installations.
How much is a 10kW solar battery in Australia?
The cost of a 10kWh solar battery in Australia varies depending on the brand and installation specifics. According to Solar Market, the average price is approximately $13,900, including installation. Similarly, Solar Bright offers a 10kWh battery paired with a 6.6kW solar system for $12,888 in Sydney.
Can I add a solar battery to my existing solar system?
Yes. Adding a solar battery into an existing solar setup is fine and can enhance energy independence. More homeowners are adopting battery storage to reduce living costs and work towards net-zero emissions. Approximately 40% of Australian homes now have solar power, and integrating solar batteries plays a crucial role here.