Australia’s Top 7 Solar Battery Brands Of 2025

An exclusive countdown for smarter energy storage

With energy prices soaring and the federal government’s new Cheaper Home Batteries Program launched in July 2025 – offering up to 30% off installed battery costs – there’s literally never been a better time to invest in solar battery storage.

Whether you’re seeking energy independence, backup power, or better solar self-consumption, we’ve put our industry-experienced heads together to rank 6 of the best-performing solar battery brands in Australia this year. All are totally rebate-eligible (here’s a run down on the federal solar battery rebate options) and tailored to different household needs – so let’s get straight into it:

7. SolarEdge – Best for smart solar integration

SolarEdge is renowned for its intelligent solar-plus-storage systems – some of the best solar batteries Australia wide.

Their Home Battery offers 9.7 kWh of usable energy with a 100% depth of discharge, ensuring maximum utilisation of stored energy. With a continuous output power of 5 kW and peak output of 7.5 kW for 10 seconds, it’s designed to handle typical household loads. The battery integrates seamlessly with SolarEdge inverters and smart energy devices, providing homeowners with greater control and efficiency.

It’s Best For: Tech-savvy homeowners seeking a fully integrated solar and battery solution with advanced monitoring capabilities.

6. Fronius – Best for premium all-in-one systems

Fronius, an Austrian manufacturer renowned for precision, has introduced the Fronius Reserva, a high-efficiency, DC-coupled solar battery designed for Australian homes.

The Reserva are quite simply great home solar battery systems you can rely on, and with modular capacities ranging from 6.3 kWh to 15.8 kWh. There’s even the ability to connect up to four towers for a maximum of 63 kWh. Its slim design (176mm depth) makes it ideal for installations where space is limited.

It’s Best For: Homeowners seeking a premium, scalable battery system with seamless integration into existing Fronius solar setups.

5. Alpha ESS – Best value for modular flexibility

Alpha ESS, a Chinese manufacturer, has been recognised as the second-largest battery manufacturer in Australia for 2025. We also think it’s the best value solar battery bar none.

Their Smile5 series offers modular capacities, allowing homeowners to tailor their energy storage to specific needs. The system supports capacities from 2.9 kWh to 80 kWh, making it suitable for pretty much any and every household size. With options for DC-coupling, AC-coupling, and hybrid-coupling connections, it provides flexibility in installation.

It’s Best For: Households seeking an affordable, scalable battery solution with reliable performance.

4. BYD – Best for high-capacity & EV integration

BYD, a global leader in battery technology, has made significant strides in the Australian market. For a trustworthy and competitively-priced solar battery storage system, it’s a no-brainer.

Their Battery-Box Premium HVS is known for its high capacity and compatibility with various inverters. A single HVS unit can be composed of 2 to 5 modules, achieving a usable capacity of 5.1 to 12.8 kWh. Additionally, up to 3 identical HVS units can be connected in parallel for a maximum capacity of 38.4 kWh. The system’s modularity and high efficiency make it ideal for larger households and those with electric vehicles.

It’s Best For: Large households or those with electric vehicles seeking high-capacity storage and flexible integration options.

3. Tesla Powerwall 3 – Best for smart home integration

Tesla’s Powerwall 3 has seen increased availability in Australia, with installation wait times reduced to just 2-8 weeks. Not bad at all for such a famous brand.

The Powerwall 3 offers a sleek design, integrated inverter, and seamless integration with Tesla’s ecosystem. It provides 13.5 kWh of storage capacity and a continuous output power of up to 11.04 kW, delivering 120% more power than the Powerwall 2. The system is designed for easy scalability, allowing up to three units to be connected for increased storage and power output.

It’s Best For: Tech enthusiasts and homeowners seeking a premium, smart home-compatible battery solution.

2. Sungrow – Best overall performance & value

And Australia’s best solar batteries? It’s hard to single out a #1, it really is – but Sungrow has consistently been named Australia’s top inverter and residential battery manufacturer for the moment.

No matter what solar battery reviews you read, their highly popular batteries are known for high efficiency and affordability, making them a popular choice among Australian households. The SBR series offers modular capacities ranging from 6.4 kWh to 25.6 kWh, with the ability to connect up to four units in parallel for a maximum capacity of 102.4 kWh. The system boasts a high round-trip efficiency of 94.5% and a 100% depth of discharge, ensuring optimal energy utilisation.

It’s Best For: Homeowners seeking a reliable, efficient, and cost-effective battery solution with strong local support.

1. Sigenergy – Best For Smart AI-Driven Energy Management

Sigenergy has surged to the top of Australia’s solar battery rankings in 2025 – and for good reason. Their SigenStor system represents the next generation of home and commercial energy storage, combining solar, battery, EV charging, and backup power into one sleek, AI-powered platform.

Each modular SigenStor battery offers 5 kWh per unit, scalable up to 48 kWh, with 100% depth of discharge and a round-trip efficiency of 98% — one of the best on the market. It integrates seamlessly with leading inverters and can be expanded easily as household energy demands grow.

What really sets Sigenergy apart is its intelligent energy management system. Using real-time AI analytics, it automatically adapts charging and discharging patterns to maximise self-consumption, protect against peak tariffs, and ensure uninterrupted backup during outages. The system can even coordinate with EV chargers and heat pumps for total household optimisation. You can learn more in our Sigenergy solar battery review.

It’s Best For: Homeowners seeking a future-ready, AI-driven energy ecosystem that combines performance, safety, and unmatched flexibility.

Federal rebate: Cheaper Home Batteries Program

Have you heard yet? Starting July 2025, the Australian federal government will introduce the Cheaper Home Batteries Program, aiming to reduce the cost of purchasing and installing home batteries by approximately 30% for all Australian households. This initiative makes it an absolutely brilliant time to invest in solar battery storage.

Ready to power your home smarter?

We hope you feel better equipped in your solar battery comparison quest! Here at Static Electrics, we’re committed to helping you find the best solar battery solution tailored perfectly to your needs – with free solar quotes. Whether you’re interested in:

• The smart integration of SolarEdge
• The premium quality of Fronius
• The modular flexibility of Alpha ESS
• The high capacity of BYD
• The smart home compatibility of Tesla
• Or the overall performance of Sungrow … we’ve got you covered.

Reach out to the friendly team at Static Electrics today for expert advice and a free solar battery quote. Let’s make your home more energy-efficient and cost-effective.