Fortress Power LLC home batteries
40 home batteries listed under Fortress Power LLC.
| Model | kWh | Costs to run |
|---|---|---|
| FP-Mega-S8-O | 836.0 | Not published |
| FP-Mega-S6-O | 627.0 | Not published |
| FP-Mega-S4B-O | 418.0 | Not published |
| FP-Mega-S4A-O | 418.0 | Not published |
| FP-SL00344U001L | 344.1 | Not published |
| FP-Mega-S3-O | 313.5 | Not published |
| FP-SL00301U001L | 301.1 | Not published |
| eSpire 280 | 279.5 | Not published |
| FP-Mega-S2-O | 209.0 | Not published |
| FP-Mega-S1-O | 104.5 | Not published |
| FP-Nano-S12-O | 61.4 | Not published |
| FP-Nano-S12-I | 61.4 | Not published |
| FP-Nano-S11-O | 56.3 | Not published |
| FP-Nano-S11-I | 56.3 | Not published |
| FP-Nano-S10-O | 51.2 | Not published |
| FP-Nano-S10-I | 51.2 | Not published |
| eBoost DC Energy Storage System 48 P3 | 48.2 | Not published |
| FP-Nano-S9-O | 46.1 | Not published |
| FP-Nano-S9-I | 46.1 | Not published |
| FP-Nano-S8-O | 41.0 | Not published |
| FP-Nano-S8-I | 41.0 | Not published |
| FP-Nano-S7-O | 35.8 | Not published |
| FP-Nano-S7-I | 35.8 | Not published |
| eBoost DC Energy Storage System 32 P2 | 32.2 | Not published |
| FP-Nano-S6-O | 30.7 | Not published |
| FP-Nano-S6-I | 30.7 | Not published |
| Avalon HV BAT 29.4P1M6 | 29.4 | Not published |
| FP-Nano-S5-O | 25.6 | Not published |
| FP-Nano-S5-I | 25.6 | Not published |
| Avalon HV BAT 24.5P1M5 | 24.5 | Not published |
| FP-Nano-S4-O | 20.5 | Not published |
| FP-Nano-S4-I | 20.5 | Not published |
| Avalon HV BAT 19.6P1M4 | 19.6 | Not published |
| eVaultMax | 18.4 | Not published |
| eBoost DC Energy Storage System 16 P1 | 16.1 | Not published |
| Avalon HV BAT 14.7P1M3 | 14.7 | Not published |
| Avalon HV BAT 9.8P1M2 | 9.8 | Not published |
| eForce 9.6 | 9.6 | Not published |
| eFlex Max 5.4 | 5.4 | Not published |
| eFlex 5.4 | 5.0 | Not published |
Computed from electricity at 18.34¢/kWh, the EIA average for US in June 2026. A kilowatt-hour is 3412 BTU. This is a rate times a rating, not a prediction of your bill.
Get told when this changes
A monthly digest of home batteries newly added to the register.
Double opt-in, one click to unsubscribe, and we never sell the list. Privacy.
Source: California Energy Commission solar equipment lists, a public record published for eligibility under California programmes, with a no-warranty disclaimer. Ratings are the manufacturers’ own submissions.