For budget buyers who want 2 kWh of tested, efficient capacity and can tolerate slow recharging.
Price checked October 20, 2026. As an Amazon Associate we earn from qualifying purchases.
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.
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 |
|---|---|---|---|
| CNET | 1,870 Wh | 91.3% | 480W load logged with HOBOware; round-trip efficiency 79.01%; recharge 3 h 28 min; ran a test fridge about 21 h |
| Battery | |
|---|---|
| Rated capacity | 2,048 Wh |
| Tested usable capacity | 1,870 Wh (91%) |
| Chemistry | Semi-solid-state LiFePO4 |
| Cycle life | 4,000 to 80% |
| Expandable | No |
| Output | |
| AC output | 2,200 W (4,400 W surge) |
| Boost mode (resistive loads) | 3,300 W |
| AC outlets | 6 total |
| 120V 20A outlets (NEMA 5-20R) | 3 |
| 120V 2-prong outlets (NEMA 1-15R) | 3 |
| USB-C ports | 2 (up to 100 W each) |
| USB-A ports | 2 |
| 12 V car outlet | Yes |
| DC5521 ports | 1 |
| UPS / pass-through | Yes (15 ms switchover) |
| Charging | |
| AC charging | 1,500 W |
| Max solar input | 800 W |
| Solar input voltage | 12-60V, 20A |
| Build | |
| Weight | 41 lb (18.6 kg) |
| Dimensions | 18.3 x 11.2 x 8.8 in |
| App | Wi-Fi + Bluetooth |
| Warranty | 5 years |
A low-cost 2 kWh LiFePO4 station for RV owners and home backup buyers who want a TT-30 outlet and room to expand. Buy it for the price per watt-hour rather than portability.
Amazon $648 Growatt $799For buyers who want the most usable energy per rated watt-hour in a 2 kWh unit and can buy it at BLUETTI’s direct price.
Amazon $1,399 BLUETTI $899For buyers who want a light, fast-charging 2 kWh unit with strong USB-C and an RV outlet.
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