For RV owners and home-backup buyers who want 3 kWh and 3000W at a low price in a fixed-size unit. Buyers who may want to add batteries or 240V later should look at expandable models.
Amazon $1,069 Dabbsson $999
For RV owners and home-backup buyers who want 3 kWh and a TT-30 outlet at a low price and can lift a 58 lb box.
- 3,014.4 WhCapacity
- 2,400 WAC output
- 58 lbWeight
- LiFePO4Battery
- $0.40Price / Wh
Price checked October 20, 2026. As an Amazon Associate we earn from qualifying purchases.
- Over 3 kWh for about $1,200, among the lowest prices per watt-hour
- TT-30 outlet plugs straight into an RV
- StorageReview measured an 8 ms UPS switchover, quick enough for most PCs
- About 58 lb with no wheels
- StorageReview got about 89% of rated capacity out as AC
- No battery expansion
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.
Independent capacity tests
Usable energy delivered from a full charge through the AC outlets, as measured by independent reviewers. Inverter losses mean no station delivers its full rated capacity.
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| StorageReview | 2,670 Wh | 88.6% | Discharge measured with a Kill-A-Watt meter (load not stated); recharge drew 3.49 kWh from the wall; UPS switchover measured at 8 ms |
Specifications
| Battery | |
|---|---|
| Rated capacity | 3,014.4 Wh |
| Tested usable capacity | 2,670 Wh (89%) |
| Chemistry | LiFePO4 |
| Cycle life | 6,000 to 80% |
| Expandable | No |
| Output | |
| AC output | 2,400 W |
| Boost mode (resistive loads) | 4,800 W |
| AC outlets | 5 total |
| 120V 20A outlets (NEMA 5-20R) | 4 |
| RV 30A outlet (TT-30R) | 1 |
| USB-C ports | 2 (up to 140 W each) |
| USB-A ports | 2 |
| 12 V car outlet | Yes |
| UPS / pass-through | Yes (10 ms switchover) |
| Charging | |
| AC charging | 1,800 W |
| Max solar input | 1,200 W |
| Solar input voltage | 12-60V, 22A |
| Build | |
| Weight | 58 lb (26.3 kg) |
| Dimensions | 14.41 x 12.01 x 11.71 in |
| App | Wi-Fi + Bluetooth |
| Warranty | 5 years |
| Released | 2026-03 |
Alternatives in this size
A 3.7 kWh home backup station for buyers who want 240V from one unit and the option to grow toward whole-home backup. At the Amazon price it is one of the cheaper ways to get that much LiFePO4 capacity.
Amazon $1,198.98 Growatt $1,599A big, affordable 3kWh station for RV owners and home backup who don’t need 240V or expansion.
Amazon $1,349 Jackery $1,349Compare
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