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 4.3. The FOSSiBOT F1800 leads on value and battery life. The BLUETTI Elite 100 V2 wins on solar input. The FOSSiBOT F1800 costs $100 less ($399 vs $499).
BLUETTI Elite 100 V2
#7 in Mid-sizeFull review
A light, quiet 1kWh LiFePO4 station with best-in-class solar input, well suited to van builds, camping and CPAP use.
Amazon $499 BLUETTI $499$499
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 $0.49 per rated Wh) and battery life (LiFePO4, 4,000 cycles, 5-year warranty vs LiFePO4, 4,000 cycles).
- Choose the BLUETTI Elite 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 Elite 100 V2 |
|---|---|---|
| Overall rating | 4.4/5 | 4.3/5 |
| Value 25% | 95 $0.39 per rated Wh | 82 $0.49 per rated Wh |
| Tested capacity 15% | 50 not yet independently tested (neutral score used) | 77 87% of rated capacity delivered (1 test) |
| Battery life 15% | 100 LiFePO4, 4,000 cycles, 5-year warranty | 85 LiFePO4, 4,000 cycles |
| 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 | 50 full AC charge time not published (neutral score used) |
| Portability 10% | 84 91 Wh per kg (24.8 lb (11.2 kg)) | 80 89 Wh per kg (25 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 |
Independent capacity tests
FOSSiBOT F1800
No independent test published yet.
BLUETTI Elite 100 V2
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| OutdoorGearLab | 890 Wh | 87% | Light-bar load bank at roughly 80% of rated AC output, 100% to shutdown. Measured standard charging rate 512 Wh/hr (about 2 hr from empty) without turbo mode. |
Specifications
| FOSSiBOT F1800 | BLUETTI Elite 100 V2 | |
|---|---|---|
| Battery | ||
| Rated capacity | 1,024 Wh | 1,024 Wh |
| Tested usable capacity | - | 890 Wh (87%) |
| 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 | - |
| Max solar input | 500 W | 1,000 W |
| Solar input voltage | 12-60V, 15A | 12-60V, 20A max |
| Car charging | 120 W | - |
| Build | ||
| Weight | 24.8 lb (11.2 kg) | 25 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 | - |
| Released | - | 2025-07 |