sonnen sonnenCore+
sonnen sonnenCore+ home battery: 10 kWh usable, 4.8 kW continuous. About $14,000 installed. Specs, surge, warranty and stacking.
All gear / sonnen sonnenCore+
sonnen
Long-life cells and a small inverter. An essentials battery unless you stack it.
Specifications
| Usable energy | 10 kWh |
|---|---|
| Continuous power | 4.8 kW |
| Surge | 7.2 kW (7.2 kVA for 5 s) |
| Chemistry | LFP |
| Coupling | AC |
| Stacks up to | 3 units |
| Installed price | About $14,000 for the first, $11,000 each after |
| Warranty | 10 years or 10,000 cycles |
Source: sonnen spec sheet; SolarReviews 2026 pricing. Image: sonnen, via ForeverPure.