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 4.1. The FOSSiBOT F2400 leads on tested capacity and battery life. The PECRON E2400LFP wins on charging speed, features and portability. The FOSSiBOT F2400 costs $70 less ($579 vs $649).
PECRON E2400LFP
#14 in LargeFull review
A low-cost 2kWh LiFePO4 station for home backup that can grow with extra batteries. Heavy users who run it near full load should expect less runtime than the rating suggests.
Amazon $649$649
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 tested capacity (84% of rated capacity delivered (2 tests) vs 75% of rated capacity delivered (1 test)) and battery life (LiFePO4, 4,000 cycles, 5-year warranty vs LiFePO4, 3,500 cycles, 3-year warranty).
- Choose the PECRON E2400LFP for charging speed (0-100% on AC in 1 h 30 min vs 0-100% on AC in 2 h), features (UPS (20 ms), expandable, 100 W USB-C, app vs UPS (8 ms), 100 W USB-C, app) and portability (100 Wh per kg (45 lb (20.5 kg)) vs 93 Wh per kg (48.5 lb (22 kg))).
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 | PECRON E2400LFP |
|---|---|---|
| Overall rating | 4.2/5 | 4.1/5 |
| Value 25% | 100 $0.28 per rated Wh | 97 $0.32 per rated Wh |
| Tested capacity 15% | 64 84% of rated capacity delivered (2 tests) | 23 75% of rated capacity delivered (1 test) |
| Battery life 15% | 100 LiFePO4, 4,000 cycles, 5-year warranty | 86 LiFePO4, 3,500 cycles, 3-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)) | 100 100 Wh per kg (45 lb (20.5 kg)) |
| Solar input 5% | 11 500 W max solar input | 28 800 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. |
PECRON E2400LFP
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| The Solar Lab | - | 75% | 2,275W load from full to shutoff; first run stopped at 36 min with an overheating warning, retest after calibration ran 40.5 min. Measured idle draw about 13.6W and a 1 h 21 min AC recharge. |
Specifications
| FOSSiBOT F2400 | PECRON E2400LFP | |
|---|---|---|
| Battery | ||
| Rated capacity | 2,048 Wh | 2,048 Wh |
| Tested usable capacity | 1,720 Wh (84%) | 1,536 Wh (75%) |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 4,000 to 80%; US spec says 4000+, FOSSiBOT's global spec table says 3500 | 3,500 to 80% |
| Expandable | No | Yes, up to 9,728 Wh |
| Output | ||
| AC output | 2,400 W (4,800 W surge) | 2,400 W (4,000 W surge) |
| AC outlets | 6 total | 3 total |
| 120V 20A outlets (NEMA 5-20R) | 6 | 3 |
| 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 | 4 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 2 | 1 |
| UPS / pass-through | Yes (8 ms switchover) | Yes (20 ms switchover) |
| Charging | ||
| AC charging | 1,100 W | 1,800 W |
| Full AC charge time | 2 h (Manufacturer: about 2 hours on AC; 1.5 hours with AC + solar (1600W)) | 1 h 30 min (Manufacturer: full in 1.5 hours) |
| Max solar input | 500 W | 800 W |
| Solar input voltage | - | 32-95V, 700W (GX16) + 12-18V, 100W (DC5521) |
| Car charging | 100 W | 100 W |
| Build | ||
| Weight | 48.5 lb (22 kg) | 45 lb (20.5 kg) |
| Dimensions | 15.2 x 11.2 x 12.6 in | 14.8 x 9.3 x 13 in |
| App | FOSSiBOT app | PECRON app (Wi-Fi/Bluetooth) |
| Warranty | 5 years | 3 years |
| Released | 2022-11 | 2025-09 |