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6 Compatible Batteries · Updated 2026
Best Battery for SMA Inverter
The SMA supports DC and AC coupling. 6 options available.
Quick Answer
The best battery for a SMA is the BYD Battery-Box HVM 16.6
16.6 kWh usable, 8 kW continuous, LFP chemistry, 10-year warranty. DC-compatible with SMA inverters. Best combination of capacity, warranty, and value in the compatible range.
What Batteries Work with a SMA?
The SMA supports both DC and AC coupling, giving you the widest battery range. DC coupling is more efficient (3-5% higher round-trip) when available.
SMA offers two paths: the Sunny Tripower hybrid supports DC-coupled BYD batteries, while the Sunny Boy Storage adds AC coupling to existing SMA string inverter systems. SMA's open protocol approach means broad third-party battery compatibility.
Top Picks for SMA
BYD
Battery-Box HVM 16.6
$8,500
Capacity: 16.6 kWh
Power: 8 kW continuous
Warranty: 10 years
BYD
Battery-Box HVS 10.2
$5,500
Capacity: 10.2 kWh
Cost per kWh: $539/kWh
Warranty: 10 years
Tesla
Powerwall 3
$9,000
Backup: 11.5 kW continuous
Capacity: 13.5 kWh
Peak: 22 kW
All Compatible Batteries
Prices are battery supply only — installation adds $2,000–$4,000.
| Battery | Price | Capacity | $ per kWh | Power | Chemistry | Coupling | Backup | Warranty |
|---|---|---|---|---|---|---|---|---|
| BYDBattery-Box HVM 16.6 Top Pick | $8,500 | 16.6 kWh | $512/kWh | 8 kW | LFP | DC | ✓ | 10 yr |
| BYDBattery-Box HVS 10.2 | $5,500 | 10.2 kWh | $539/kWh | 5 kW | LFP | DC | ✓ | 10 yr |
| FranklinWHaPower | $7,500 | 13.6 kWh | $551/kWh | 5 kW | LFP | DC + AC | ✓ | 10 yr |
| TeslaPowerwall 3 | $9,000 | 13.5 kWh | $667/kWh | 11.5 kW | LFP | DC + AC | ✓ | 10 yr |
| AlphaESSSMILE-B3 11.6kWh | $8,000 | 11.6 kWh | $690/kWh | 6 kW | LFP | AC | ✓ | 10 yr |
| sonnensonnenbatterie eco 10 | $13,000 | 10 kWh | $1300/kWh | 3.3 kW | LFP | AC | ✓ | 15 yr |
Adding a Battery to Your SMA System
Rebates and Incentives
Australian state governments offer battery rebates of $2,000–$4,000. Victoria's Solar Homes Battery Rebate ($2,950), Queensland's Battery Booster ($3,000–$4,000), and ACT's Sustainable Household Scheme all reduce the upfront cost.
VPP Compatibility
Your SMA is VPP-ready. Virtual Power Plants pay $200–600 per year for allowing the grid to draw stored energy during peak demand. See our best VPP plans guide.
Installation Costs
Battery installation typically costs $1,000–$3,000 on top of the battery price. A AC-coupled battery with a SMA is straightforward for experienced solar electricians. Get at least two quotes.
SMA Battery FAQ
Can I add a battery to my SMA inverter?
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Do I need a new inverter to add a battery?
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What size battery should I get with a SMA?
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Is a battery worth it with SMA in 2026?
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