For buyers who need power in freezing conditions, such as winter camping, ice fishing or unheated garages, and accept the weight and price.
BLUETTI $899
For occasional home backup and outdoor gatherings where the familiar brand, easy recharging and design matter more than price or battery life. Made under license by Southern Telecom; LiFePO4 stations at this price last far longer.
- 620 WhCapacity
- 800 WAC output
- 19.4 lbWeight
- Li-ion NMCBattery
- 2 h 30 minFull charge
- $1.13Price / Wh
Price checked October 20, 2026. As an Amazon Associate we earn from qualifying purchases.
- Recharges from a standard extension cord, so there’s no special charger to lose
- Fast-charge mode reaches 80% in under an hour
- Two 100W USB-C ports charge two laptops at full speed
- Built-in UPS switches over in under 15 ms
- NMC battery rated for only 500 cycles, far fewer than LiFePO4 rivals
- Costs about $1.13 per watt-hour, high for an NMC station
- Solar input tops out at 180W
- Two-year warranty and no app
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 | 620 Wh |
| Chemistry | Li-ion NMC |
| Cycle life | 500 to 80% |
| Expandable | No |
| Output | |
| AC output | 800 W |
| AC outlets | 3 total |
| 120V 15A outlets (NEMA 5-15R) | 3 |
| AC waveform | Pure sine wave |
| USB-C ports | 2 (up to 100 W each) |
| USB-A ports | 3 |
| 12 V car outlet | Yes |
| UPS / pass-through | Yes (15 ms switchover) |
| Charging | |
| Full AC charge time | 2 h 30 min (2.5 h in fast-charge mode, 4 h at the normal rate; 0-80% in under an hour in fast mode (manufacturer)) |
| Max solar input | 180 W |
| Solar input voltage | Up to 30V (XT-60 input) |
| Build | |
| Weight | 19.4 lb (8.8 kg) |
| Dimensions | 12.5 x 8.3 x 11.5 in |
| App | False |
| Warranty | 2 years |
Alternatives in this size
For campers and overlanders who want a rugged, easy-to-carry battery for devices, lights and a portable fridge, and can live with a modest 600W inverter.
Amazon $699.95 Goal Zero $699.95 BioLite $699.95For buyers who want a Generac-backed 1 kWh station that can run 1,600W appliances and parallel with a second unit; LiFePO4 rivals offer more cycles and faster charging for the money.
ecobee (Generac) $899.99Compare
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