Best Solar Battery Australia (2025 Guide)
Compare Prices, Brands & Value for Australian Homes
Why Solar Batteries Are Booming in Australia
Australia has one of the highest solar adoption rates in the world. Adding a battery allows homeowners to:
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Store excess solar energy for night-time use
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Reduce reliance on the grid
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Protect against blackouts
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Maximise solar savings
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Increase property value
With power prices continuing to rise, a solar battery is no longer a luxury—it’s a long-term energy solution.
What Makes the Best Solar Battery in Australia?
Before comparing brands, it’s important to understand what defines the best home solar battery.
Key Factors to Consider
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Battery capacity (kWh) – How much energy it can store
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Depth of discharge (DoD) – Usable energy
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Battery chemistry – LFP is safest and longest-lasting
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Warranty & lifespan – Typically 10 years
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Backup capability – Works during blackouts
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Scalability – Can you add more capacity later?
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Price after rebates – Real installed cost matters
Best Solar Batteries in Australia (2025 Comparison)
Tesla Powerwall 3 – Best Premium Solar Battery
Capacity: 13.5kWh
Chemistry: LFP
Warranty: 10 years
Installed Price: $9,500 – $12,500 (after rebate)
Why it’s great:
Tesla Powerwall remains the benchmark for premium performance. The Powerwall 3 includes a built-in inverter, fast charge/discharge, and seamless blackout protection.
Best for:
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High-energy households
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EV owners
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Smart homes
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Full backup power
Anker SOLIX X1 – Best Next-Gen Smart Battery
Capacity: 3.84kWh – 25kWh (modular)
Chemistry: LFP
Warranty: 10 years
Installed Price: $6,500 – $11,000 (after rebate)
Why it’s great:
Anker SOLIX X1 is quickly becoming one of the best value solar batteries in Australia, offering AI-driven energy optimisation, ultra-fast charging, and modular scalability.
Best for:
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Tech-savvy homeowners
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Growing families
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Future battery expansion
Alpha ESS SMILE Series – Best Budget Solar Battery
Capacity: 5kWh – 13kWh
Chemistry: LFP
Warranty: 10 years
Installed Price: $5,500 – $9,000 (after rebate)
Why it’s great:
Alpha ESS offers one of the lowest solar battery prices in Australia without sacrificing safety or performance. Ideal for first-time battery buyers.
Best for:
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Entry-level budgets
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Smaller households
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Maximising rebates
Sungrow SBR Battery – Best Value for Money
Capacity: 9.6kWh – 25.6kWh
Chemistry: LFP
Warranty: 10 years
Installed Price: $6,500 – $12,000 (after rebate)
Why it’s great:
Sungrow is one of Australia’s most trusted solar brands. The SBR battery delivers excellent performance at a competitive price and integrates perfectly with Sungrow inverters.
Best for:
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Budget-conscious buyers
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Reliable everyday use
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Australian conditions
Solar Battery Price in Australia (After Rebates)
| Battery Type | Installed Price Range |
|---|---|
| 5kWh Battery | $4,500 – $6,500 |
| 10kWh Battery | $6,500 – $9,000 |
| 13kWh Battery | $7,500 – $11,000 |
| 20kWh+ Battery | $10,000 – $15,000 |
💡 Prices vary based on location, inverter compatibility, and state rebates (NSW, VIC, SA).
Best Solar Battery by Use Case
- Best Solar Battery for Backup Power
Tesla Powerwall 3
- Best Solar Battery for Value
Sungrow SBR
- Best Modular Solar Battery
Anker SOLIX X1
- Best Budget Solar Battery
Alpha ESS SMILE
Is a Solar Battery Worth It in Australia?
Yes—especially if you:
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Use most electricity at night
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Want blackout protection
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Plan to add an EV
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Live in NSW, VIC, or SA
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Want long-term energy independence
Most households see payback within 6–9 years, faster with rising electricity prices.
Solar Battery Rebates in Australia (2025)
Depending on your state, you may qualify for:
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NSW Battery Rebate
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Victoria Solar Battery Loan
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SA Home Battery Scheme (limited)
These rebates can reduce upfront costs by $2,000–$4,000.
Best Solar Battery Size for Australian Homes
| Household Size | Recommended Battery |
|---|---|
| Small home | 5–7kWh |
| Medium home | 10–13kWh |
| Large home | 13–20kWh |
| EV + Pool | 20kWh+ |
Why Choose Australian Design Solar?
Australian Design Solar specialises in high-performance solar battery installations across Australia, including:
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Sydney
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Melbourne
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Brisbane
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Adelaide
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Canberra
What Sets Us Apart:
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CEC-accredited installers
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Premium battery brands only
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Transparent pricing
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Tailored system design
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End-to-end rebate assistance
Frequently Asked Questions (FAQs)
What is the best solar battery in Australia?
Tesla Powerwall 3 offers the best premium performance, while Sungrow and Anker SOLIX X1 deliver the best value.
Which solar battery lasts the longest?
Most LFP batteries last 10–15 years with over 6,000 cycles.
What is the cheapest solar battery in Australia?
Alpha ESS SMILE series offers the most affordable installed pricing.
Can I add a battery to my existing solar system?
Yes, most homes can retrofit a battery with the right inverter setup.
Best Solar Battery Australia (2025)
The best solar battery in Australia depends on your energy needs, budget, and future plans:
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Premium: Tesla Powerwall 3
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Best Value: Sungrow SBR
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Smart Modular: Anker SOLIX X1
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Budget-Friendly: Alpha ESS
Ready to Find the Best Solar Battery for Your Home?
Contact Australian Design Solar today for a free personalized quote and expert advice tailored to your home and location.