Top 7 Best Solar Battery in Perth, WA (2026 Review)

BySolar 365 Team•3 Apr 2026(Updated 16 May 2026)

Growatt, FoxESS, and Tesla Powerwall 3 are among the top 3 solar batteries from the list of 7 best solar batteries in Perth. Solar batteries help you store extra energy from your solar panels and use it at night, reducing your electricity bills and increasing energy independence. Most importantly, if you want to install a solar battery at your property, choose an expert solar and battery installer in Perth who is qualified to help you claim available rebates.

List of Top 7 Best Solar Batteries in Perth, WA for 2026

Brand/ model	Battery size	Warranty	Chemistry	Rebate eligible (AU)
Growatt battery	25 kwh	10 year	LiFePo4	Yes
FoxEss	30 kwh	10 year	LiFePo4	Yes
Sign energy	16kwh	10 year	LiFePo4	yes
Tesla Powerwall 3	13.5kwh	10 year	NMC	Yes
Alpha ESS	13.3 kwh	10 year	LiFePo4	Yes
SAJ	20kwh	10 year	LiFePo4	Yes
Felicity	30.7kwh	10 year	LiFePo4	Yes (limited installer approval)

Top 3 Best Solar Battery Installers in Perth, WA

Best Solar Power Deals in Perth 2026

1. Growatt Battery

Solar 365 installed the 160+ Growatt batteries in homes and businesses across Perth, Western Australia. The Growatt 25 kWh battery is a smart battery that connects to mobile apps, so you can monitor the battery system on your mobile. Growatt battery capacity ranges from 5 kWh to 50 kWh. Growatt 25kWh is specially designed for Perth's climate conditions. It comes with a 10-year warranty. The Growatt 25 kWh battery is very efficient and safe for the property. This battery can expand its size according to the amount of energy, because it comes with modular capacity.

2. FoxESS Battery

Solar 365 installed the 140+ FoxESS batteries across Perth, Western Australia. FoxESS 30 kWh is a budget-friendly battery that requires a simple installation. It has three series: ECS series, EP series, and CQ series. All series have many varied types of capacity batteries. It comes with a modular size capacity. It is a newly launched brand in the solar industry. It is suitable for normal houses.

3. Signenergy Battery

Signenergy 16 kWh battery one of the smart battery systems. It is a 5-in-1 smart system. Signenergy 16kWh has AI energy management. It is a combination of EV charging and a solar battery. In the future, you can run a house and charge a car-V2H with this battery. It is best for modern homes.

4. Tesla Powerwall 3 Battery

Tesla Powerwall 3 has a fixed 13.5kwh capacity. It is a mixture of a battery and an inverter that gives your home strong backup power. It is the most popular battery, which is installed the most in a premium house.

5. Alpha ESS Battery

The Alpha ESS 13.3kWh battery has a clean design with a modular system. The Alpha ESS battery has three types of series, which include many types of battery capacities. It supports the virtual power plant. It is a budget-friendly battery.

6. SAJ Battery

The SAJ 20kWh battery comes with an in-built inverter. The SAJ battery has two series: the HS2 series, which includes single-phase or 3-phase battery that comes with an in-built inverter battery; the second is the B2 series, which includes battery capacities of 5 kWh- 25 kWh. Its batteries are designed for residential use and work seamlessly with compatible inverters to deliver reliable and efficient energy storage. The SAJ 20kWh battery is a suitable option for homeowners seeking a cost-effective, integrated battery solution.

7. Felicity Battery

Felicity, 30.7 kWh, is a global solar battery. It can work with hybrid + off-grid solar systems. Felicity's 30.7 kWh battery comes with competitive pricing. It gives direct competition to the other batteries in its features. It is designed for indoor use.

Battery Rebate Schemes in Perth

The federal government and the WA government are offering battery $1,300 fixed rebate to their people, helping them reduce the cost of the battery system. The rebates decrease the cost of the battery system upto 30%. The amount of battery rebates in Perth varies with battery size.

Here is the approximate rebate amount of the federal and state schemes according to the battery capacity:

Battery capacity	Approximate rebates
10kw	$3816
20kw	$5703
25kw	$6480
30kw	$6998
35kw	$7183
40kw	$7368
50kw	$7738

State government rebates

In Perth, not only does the federal government provide the rebates, but the WA government also provides fixed $1300 rebates to its people. The amount of rebate as compared to the federal government is less, but it also depends on the system size. Both rebates help you to reduce the cost of your solar battery system.

Benefits of a Solar Battery System

Installing a solar battery system on the property can bring many benefits:

1. Save money and reduce the bill

Adding a battery to a solar system helps you to save extra money on electricity bills. You can save extra solar energy from the panels in a battery and use it at night, and reduce the cost of the grid.

2. A battery system gives energy independence

A battery system helps you to use energy with full independence. You have no worries about energy in a power cut at night if you have a solar battery system at your property.

3. Take advantage of the solar battery rebate

With the help of government rebates or incentives, you can decrease the cost of solar battery systems. You have two types of rebates in a solar battery system, one from the federal government and the second from the state government if your state provides battery rebates to its people.

4. Environment-friendly

Solar energy is a green energy that helps to decrease the amount of carbon and fuel emissions from the environment. When you use a solar battery to store the energy, your dependence on the grid is automatically lower, so you save the environment and save your money.

5. Good return on investment of the solar system

Investing in a solar system is a smart choice. In a few years, the solar system will pay back the amount and save you money on electricity bills.

Solar batteries make the solar system strong, and battery rebates also reduce the cost of the system.

Battery savings and payback time

In Australia, the solar system takes 4 to 6 years to pay back the amount invested in the solar system. Solar batteries help to save more money on the electricity bill. A battery stores the extra energy from the solar panels, and you can store energy at night and save money on the grid.

Here is the data on solar panels, battery payback period, and approximate savings in some states:

State	Payback period	ROI
NSW	6.7 years	14.9%
VIC	8.6 years	11.6%
QLD	7.0 years	14.3%
SA	5.8 years	17.3%
WA	7 years	14.3%
ACT	7.6 years	13.1%
TAS	9.6 years	10.4%
NT	9.3 years	10.8%

Selecting the best home battery

When you select a battery for your home, always consider this key point in your mind:

Home energy needs
When you use electricity
Your plan for energy
Your budget

On average, a 10 kW solar battery is best for Australian homes, but battery size also depends on your solar panel system size and capacity. Always consider a solar expert like Solar 365 who can guide you on which system size or battery size is perfect for your home.

The Future of Energy Storage in Perth

The future of energy storage in Perth is one of the most important parts of its clean energy transition.

Massive growth ahead (2025-2050): Perth is experiencing rapid growth in renewable energy, with millions of homes already using solar power. According to CSIRO, the country may need 10–14 times more energy storage capacity by 2050 to support the transition to renewable energy, ensure grid stability, and meet rising electricity demand.

Policy and targets driving growth: Australia’s federal and WA governments are targeting around 82% renewable electricity by 2030, driving rapid expansion in solar, wind, and energy storage. To support this transition and maintain grid reliability, the country will require a significant increase in energy storage capacity by 2050, including large-scale batteries and pumped hydro systems.

What is happening right now (latest trend):

Over 50% electricity already coming from renewable + storage
Thousands of MW of battery storage have been added recently
Perth is already transitioning, not just planning

Future expansion:

FAQS

What is the most reliable solar battery in Perth?

Growatt, AlphaESS, Tesla Powerwall 3, and Sungrow are among the most reliable solar battery options in Perth. These brands are known for their high performance, smart energy management features, durable design, and modular systems. They offer a long lifespan and are well-suited for residential energy storage needs.

Is a 10kW battery enough to run a house?

Yes, on average, a 10 kW solar battery is enough for your house. But battery size depends on your solar system size, and the type of appliances you use at your home.

What battery is best for solar panels?

Lithium-ion (LFP) batteries are the best, but generally it depends on your energy needs and system size.