FOSSiBOT F1800 Preorder
#8 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 4.0. The FOSSiBOT F1800 leads on AC output, charging speed and battery life. The FOSSiBOT F1800 costs $30 less ($399 vs $429).
BLUETTI Elite 100 mini
#25 in Mid-sizeFull review
For buyers who want a full kilowatt-hour for lights, a fridge, CPAP and electronics at a low price, and do not need high-wattage appliances.
Amazon $799 BLUETTI $429$429
Prices were last checked October 24, 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 AC output (1,800 W continuous AC vs 700 W continuous AC), charging speed (0-100% on AC in 1 h 8 min vs 0-100% on AC in 2 h 19 min) and battery life (LiFePO4, 4,000 cycles, 5-year warranty vs LiFePO4, 6,000 cycles, 3-year warranty).
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 Elite 100 mini |
|---|---|---|
| Overall rating | 4.4/5 | 4.0/5 |
| Value 25% | 95 $0.39 per rated Wh | 90 $0.43 per rated Wh |
| Tested capacity 15% | 50 not yet independently tested (neutral score used) | 100 97% of rated capacity delivered (1 test) |
| Battery life 15% | 100 LiFePO4, 4,000 cycles, 5-year warranty | 90 LiFePO4, 6,000 cycles, 3-year warranty |
| AC output 15% | 82 1,800 W continuous AC | 21 700 W continuous AC |
| Charging speed 10% | 91 0-100% on AC in 1 h 8 min | 53 0-100% on AC in 2 h 19 min |
| Portability 10% | 84 91 Wh per kg (24.8 lb (11.2 kg)) | 89 94 Wh per kg (23.6 lb (10.7 kg)) |
| Solar input 5% | 40 500 W max solar input | 23 350 W max solar input |
| Features 5% | 75 UPS (10 ms), 140 W USB-C, app | 55 UPS (10 ms), 140 W USB-C |
Independent capacity tests
FOSSiBOT F1800
No independent test published yet.
BLUETTI Elite 100 mini
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| The Solar Lab | - | 97% | Efficiency test (load not stated in the review); idle draw about 13.5W. Measured AC recharge from empty about 2 h. |
Specifications
| FOSSiBOT F1800 | BLUETTI Elite 100 mini | |
|---|---|---|
| Battery | ||
| Rated capacity | 1,024 Wh | 1,004.8 Wh |
| Tested usable capacity | - | 975 Wh (97%) |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 4,000 to 80% | 6,000 to 80% |
| Expandable | No | No |
| Output | ||
| AC output | 1,800 W (3,600 W surge) | 700 W |
| AC outlets | 3 total | 3 total |
| 120V 15A outlets (NEMA 5-15R) | - | 3 |
| 120V 20A outlets (NEMA 5-20R) | 3 | - |
| AC waveform | Pure sine wave | - |
| USB-C ports | 2 (up to 140 W each) | 2 (up to 140 W each) |
| USB-A ports | 1 | 1 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 0 | 2 |
| UPS / pass-through | Yes (10 ms switchover) | Yes (10 ms switchover) |
| Charging | ||
| AC charging | 1,200 W | 700 W |
| Full AC charge time | 1 h 8 min | 2 h 19 min (0-80% in about 82 min) |
| Max solar input | 500 W | 350 W |
| Solar input voltage | 12-60V, 15A | 12-60V, 10A |
| Car charging | 120 W | 192 W |
| Build | ||
| Weight | 24.8 lb (11.2 kg) | 23.6 lb (10.7 kg) |
| Dimensions | 14.6 x 8.1 x 10.2 in | 9.25 x 8.48 x 11.54 in |
| App | FOSSiBOT app (Wi-Fi/Bluetooth) | - |
| Warranty | 5 years | 3 years |
| Released | 2026-07 | 2026-09 |