FOSSiBOT F2400
#6 in LargeFull review
A low-cost 2kWh station for home backup and RV use when price per watt-hour matters more than charging speed.
Amazon $579 FOSSiBOT $609$579
The FOSSiBOT F2400 is the better portable power station overall, rated 4.2 to 4.0. The FOSSiBOT F2400 leads on value, portability and tested capacity. The BLUETTI AC200L wins on solar input, charging speed and features. The FOSSiBOT F2400 costs $320 less ($579 vs $899).
BLUETTI AC200L
#19 in LargeFull review
For RV and backup users who want fast charging, strong solar input and an expansion path in a 2 kWh base unit.
BLUETTI $899$899
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 F2400 for value ($0.28 per rated Wh vs $0.44 per rated Wh), portability (93 Wh per kg (48.5 lb (22 kg)) vs 72 Wh per kg (62.4 lb (28.3 kg))) and tested capacity (84% of rated capacity delivered (2 tests) vs 82% of rated capacity delivered (1 test)).
- Choose the BLUETTI AC200L for solar input (1,200 W max solar input vs 500 W max solar input), charging speed (0-100% on AC in 1 h 30 min vs 0-100% on AC in 2 h) and features (UPS (20 ms), expandable, 100 W USB-C, app vs UPS (8 ms), 100 W USB-C, app).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every large portable power station; a clear win is highlighted. How we rank explains each one.
| Factor weight | FOSSiBOT F2400 | BLUETTI AC200L |
|---|---|---|
| Overall rating | 4.2/5 | 4.0/5 |
| Value 25% | 100 $0.28 per rated Wh | 79 $0.44 per rated Wh |
| Tested capacity 15% | 64 84% of rated capacity delivered (2 tests) | 55 82% of rated capacity delivered (1 test) |
| Battery life 15% | 100 LiFePO4, 4,000 cycles, 5-year warranty | 91 LiFePO4, 3,000 cycles, 5-year warranty |
| AC output 15% | 54 2,400 W continuous AC | 54 2,400 W continuous AC |
| Charging speed 10% | 63 0-100% on AC in 2 h | 79 0-100% on AC in 1 h 30 min |
| Portability 10% | 87 93 Wh per kg (48.5 lb (22 kg)) | 50 72 Wh per kg (62.4 lb (28.3 kg)) |
| Solar input 5% | 11 500 W max solar input | 51 1,200 W max solar input |
| Features 5% | 75 UPS (8 ms), 100 W USB-C, app | 100 UPS (20 ms), expandable, 100 W USB-C, app |
Independent capacity tests
FOSSiBOT F2400
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| techtest.org | 1,781 Wh | 87% | European 230V model, AC outlets at a 1,200W load (from the review’s capacity chart). Other AC runs: 1,717 Wh at 2,000W and 1,512 Wh at 100W. Full AC recharge took about 2 h 45 min at the 1,100W setting. |
| nextpit | 1,659 Wh | 81% | Full discharge of the European 230V model (load not stated); 2,127 Wh from the wall to recharge, about 78% round trip. |
BLUETTI AC200L
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| nextpit | 1,680 Wh | 82% | Full discharge of the European 230V model (load not stated); 2,217 Wh from the wall to recharge, about 76% round trip; AC recharge 0-100% in 1 h 10 min. |
Specifications
| FOSSiBOT F2400 | BLUETTI AC200L | |
|---|---|---|
| Battery | ||
| Rated capacity | 2,048 Wh | 2,048 Wh |
| Tested usable capacity | 1,720 Wh (84%) | 1,680 Wh (82%) |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 4,000 to 80%; US spec says 4000+, FOSSiBOT's global spec table says 3500 | 3,000 to 80% |
| Expandable | No | Yes, up to 8,192 Wh |
| Output | ||
| AC output | 2,400 W (4,800 W surge) | 2,400 W (3,600 W surge) |
| AC outlets | 6 total | 5 total |
| 120V 20A outlets (NEMA 5-20R) | 6 | 4 |
| RV 30A outlet (TT-30R) | - | 1 |
| AC waveform | Pure sine wave | Pure sine wave |
| USB-C ports | 4 (up to 100 W each) | 2 (up to 100 W each) |
| USB-A ports | 2 | 2 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 2 | 0 |
| UPS / pass-through | Yes (8 ms switchover) | Yes (20 ms switchover) |
| Charging | ||
| AC charging | 1,100 W | 2,400 W |
| Full AC charge time | 2 h (Manufacturer: about 2 hours on AC; 1.5 hours with AC + solar (1600W)) | 1 h 30 min (About 1.5 h on AC (manufacturer)) |
| Max solar input | 500 W | 1,200 W |
| Solar input voltage | - | 12-145V, 15A |
| Car charging | 100 W | 96 W |
| Build | ||
| Weight | 48.5 lb (22 kg) | 62.4 lb (28.3 kg) |
| Dimensions | 15.2 x 11.2 x 12.6 in | 16.5 x 11 x 14.4 in |
| App | FOSSiBOT app | Wi-Fi + Bluetooth |
| Warranty | 5 years | 5 years |
| Released | 2022-11 | 2024-02 |