Fortress Power LLC FP-Nano-S5-O
A certified battery rated 25.6 kWh.
What the register says
| Rating | 25.6 kWh |
|---|---|
| Nameplate capacity | 25.60 kWh |
| Maximum discharge | 25.60 kW |
| Technology | Lithium Iron Phosphate |
| Certified | 2026-05-21 |
Priced in your state
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Other Fortress Power LLC home batteries
The nearest by kWh rating.
- FP-Nano-S5-I 25.60 kWh
- Avalon HV BAT 24.5P1M5 24.50 kWh
- Avalon HV BAT 29.4P1M6 29.40 kWh
- FP-Nano-S6-I 30.72 kWh
- FP-Nano-S6-O 30.72 kWh
- FP-Nano-S4-I 20.48 kWh
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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. This page is a record of a published certification; it is not an endorsement, not a quote, and not advice. Corrections.