The best solar battery for home use depends on factors like budget, energy needs, backup requirements, and system compatibility. Here are some of the top-rated solar batteries available in Australia and globally:
1. Tesla Powerwall 2
- Capacity: 13.5 kWh
- Price: ~$16,200 (installed)
- Chemistry: Lithium Nickel Manganese Cobalt (NMC)
- Warranty: 10 years
- Key Features:
- High capacity, suitable for whole-home backup.
- Can stack multiple units for greater storage.
- Seamless integration with Tesla solar systems.
- Advanced software and monitoring through the Tesla app.
- VPP-ready (Virtual Power Plant compatible).
- 90%+ round-trip efficiency.
Why Choose It: Industry-leading brand, high capacity, and excellent software integration.
2. LG Chem RESU 10H Prime
- Capacity: 9.8 kWh
- Price: ~$10,000 – $12,000 (installed)
- Chemistry: Lithium Nickel Manganese Cobalt (NMC)
- Warranty: 10 years (60% capacity retention)
- Key Features:
- Compact and space-efficient design.
- Compatible with most major solar inverters.
- High discharge rate, making it ideal for home backup.
Why Choose It: Reliable and compact with a strong warranty, suitable for most homes.
3. Sungrow SBR Series
- Capacity: 9.6 kWh (expandable up to 25.6 kWh)
- Price: ~$9,000 – $12,000 (installed)
- Chemistry: Lithium Iron Phosphate (LFP)
- Warranty: 10 years
- Key Features:
- Modular design for scalability.
- Lower cost per kWh compared to Tesla.
- Safe and long-lasting LFP chemistry.
- High round-trip efficiency (up to 98%).
Why Choose It: Affordable, scalable, and great for expanding energy needs over time.
4. BYD Battery-Box Premium LVS
- Capacity: 4 kWh per module (stackable up to 256 kWh)
- Price: Starting from ~$6,000 (for small systems)
- Chemistry: Lithium Iron Phosphate (LFP)
- Warranty: 10 years
- Key Features:
- Extremely flexible and scalable.
- High safety rating with LFP chemistry.
- Compatible with a wide range of inverters.
Why Choose It: Modular design allows for customized capacity based on your needs.
5. AlphaESS Smile 5
- Capacity: 10.1 kWh
- Price: ~$10,000 – $14,000 (installed)
- Chemistry: Lithium Iron Phosphate (LFP)
- Warranty: 10 years
- Key Features:
- Integrated inverter and battery system.
- Compact and all-in-one design.
- VPP-ready and easy monitoring through app integration.
Why Choose It: Ideal for smaller homes looking for an all-in-one battery and inverter solution.