For RV owners and home-backup buyers who want 2 kWh, a TT-30 outlet and a UPS at a low price per watt-hour, and don’t need to expand it later.
Amazon $849.98 Renogy $799
For home-backup buyers who want 2.3 kWh now and a path to a large parallel system later. It is heavy, so it suits staying in one place rather than frequent carrying.
- 2,330 WhCapacity
- 2,200 WAC output
- 58.1 lbWeight
- Semi-solid-state LiFePO4Battery
- $0.39Price / Wh
Price checked October 20, 2026. As an Amazon Associate we earn from qualifying purchases.
- About $0.39 per Wh for 2.3 kWh
- Two units can be paired for 4,200W through a transfer switch
- Expands to 8.3 kWh per unit with add-on batteries
- 30A Anderson output for 12V RV systems
- Heavy at 58 lb
- 800W solar input is modest for its capacity
- No independent capacity test of this model yet
How it scores
The rating comes from 8 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Battery | |
|---|---|
| Rated capacity | 2,330 Wh |
| Chemistry | Semi-solid-state LiFePO4 |
| Cycle life | 4,500 to 80% |
| Expandable | Yes, up to 8,330 Wh |
| Output | |
| AC output | 2,200 W (4,400 W surge) |
| Boost mode (resistive loads) | 3,000 W |
| AC outlets | 4 total |
| 120V 20A outlets (NEMA 5-20R) | 4 |
| AC waveform | Pure sine wave |
| USB-C ports | 3 (up to 100 W each) |
| USB-A ports | 3 |
| 12 V car outlet | Yes |
| DC5521 ports | 2 |
| UPS / pass-through | Yes (15 ms switchover) |
| Charging | |
| AC charging | 1,800 W |
| Max solar input | 800 W |
| Solar input voltage | 12-60V, 25A max (AC + solar combined up to 1800W) |
| Build | |
| Weight | 58.1 lb (26.4 kg) |
| Dimensions | 17 x 10 x 11.9 in |
| App | Dabbsson app |
| Warranty | 5 years |
Alternatives in this size
A proven 2kWh LiFePO4 station for home backup and RV trips with plenty of outlets. It costs less than the DELTA 3 Max Plus but has slower switchover and less output.
Amazon $1,049 EcoFlow $1,049For RV and backup users who want fast charging, strong solar input and an expansion path in a 2 kWh base unit.
BLUETTI $899Compare
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