FOSSiBOT F1800
#4 in Mid-sizeFull review
A budget 1kWh LiFePO4 station for camping and short outages, with fast wall charging and strong USB-C ports.
Amazon $399 FOSSiBOT $419$399
The FOSSiBOT F1800 is the better portable power station overall, rated 4.4 to 3.9. The FOSSiBOT F1800 leads on value. The BLUETTI Premium 100 V2 wins on solar input. The FOSSiBOT F1800 costs $450 less ($399 vs $849).
BLUETTI Premium 100 V2
#27 in Mid-sizeFull review
For buyers who need to run high-draw appliances from a light 1 kWh unit and want fast wall and solar charging.
BLUETTI $849$849
Prices were last checked October 20, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the FOSSiBOT F1800 for value ($0.39 per rated Wh vs $0.83 per rated Wh).
- Choose the BLUETTI Premium 100 V2 for solar input (1,000 W max solar input vs 500 W max solar input).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every mid-size portable power station; a clear win is highlighted. How we rank explains each one.
| Factor weight | FOSSiBOT F1800 | BLUETTI Premium 100 V2 |
|---|---|---|
| Overall rating | 4.4/5 | 3.9/5 |
| Value 25% | 95 $0.39 per rated Wh | 36 $0.83 per rated Wh |
| Tested capacity 15% | 50 not yet independently tested (neutral score used) | 50 not yet independently tested (neutral score used) |
| Battery life 15% | 100 LiFePO4, 4,000 cycles, 5-year warranty | 100 LiFePO4, 4,000 cycles, 5-year warranty |
| AC output 15% | 82 1,800 W continuous AC | 82 1,800 W continuous AC |
| Charging speed 10% | 91 0-100% on AC in 1 h 8 min | 89 0-100% on AC in 1 h 10 min |
| Portability 10% | 84 91 Wh per kg (24.8 lb (11.2 kg)) | 80 89 Wh per kg (25.3 lb (11.5 kg)) |
| Solar input 5% | 40 500 W max solar input | 97 1,000 W max solar input |
| Features 5% | 75 UPS (10 ms), 140 W USB-C, app | 75 UPS (10 ms), 140 W USB-C, app |
Specifications
| FOSSiBOT F1800 | BLUETTI Premium 100 V2 | |
|---|---|---|
| Battery | ||
| Rated capacity | 1,024 Wh | 1,024 Wh |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 4,000 to 80% | 4,000 to 80% |
| Expandable | No | - |
| Output | ||
| AC output | 1,800 W (3,600 W surge) | 1,800 W (3,600 W surge) |
| Boost mode (resistive loads) | - | 2,700 W |
| AC outlets | 3 total | 4 total |
| 120V 20A outlets (NEMA 5-20R) | 3 | 4 |
| AC waveform | Pure sine wave | - |
| USB-C ports | 2 (up to 140 W each) | 2 (up to 140 W each) |
| USB-A ports | 1 | 2 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | - | 2 |
| UPS / pass-through | Yes (10 ms switchover) | Yes (10 ms switchover) |
| Charging | ||
| AC charging | 1,200 W | 1,200 W |
| Full AC charge time | 1 h 8 min | 1 h 10 min (0-80% in 45 min in Turbo mode) |
| Max solar input | 500 W | 1,000 W |
| Solar input voltage | 12-60V, 15A | 12-60V, 20A |
| Car charging | 120 W | - |
| Build | ||
| Weight | 24.8 lb (11.2 kg) | 25.3 lb (11.5 kg) |
| Dimensions | 14.6 x 8.1 x 10.2 in | 12.6 x 8.5 x 9.8 in |
| App | FOSSiBOT app (Wi-Fi/Bluetooth) | Wi-Fi + Bluetooth |
| Warranty | 5 years | 5 years |