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 3.9. The FOSSiBOT F2400 leads on portability, battery life and features. The EBL Acc2400 wins on charging speed and solar input. The EBL Acc2400 costs $79.06 less ($499.94 vs $579).
EBL Acc2400
#20 in LargeFull review
A budget 1.8kWh LiFePO4 station for home outage backup with enough output for high-draw appliances. Buyers should accept its weight, short warranty and lack of independent testing.
Amazon $499.94$499.94
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 portability (93 Wh per kg (48.5 lb (22 kg)) vs 74 Wh per kg (55 lb (24.9 kg))), battery life (LiFePO4, 4,000 cycles, 5-year warranty vs LiFePO4, 3,500 cycles, 1-year warranty) and features (UPS (8 ms), 100 W USB-C, app vs UPS (10 ms), 100 W USB-C).
- Choose the EBL Acc2400 for charging speed (0-100% on AC in 1 h 36 min vs 0-100% on AC in 2 h) and solar input (800 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 large portable power station; a clear win is highlighted. How we rank explains each one.
| Factor weight | FOSSiBOT F2400 | EBL Acc2400 |
|---|---|---|
| Overall rating | 4.2/5 | 3.9/5 |
| Value 25% | 100 $0.28 per rated Wh | 100 $0.27 per rated Wh |
| Tested capacity 15% | 64 84% of rated capacity delivered (2 tests) | 50 not yet independently tested (neutral score used) |
| Battery life 15% | 100 LiFePO4, 4,000 cycles, 5-year warranty | 81 LiFePO4, 3,500 cycles, 1-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 | 76 0-100% on AC in 1 h 36 min |
| Portability 10% | 87 93 Wh per kg (48.5 lb (22 kg)) | 53 74 Wh per kg (55 lb (24.9 kg)) |
| Solar input 5% | 11 500 W max solar input | 33 800 W max solar input |
| Features 5% | 75 UPS (8 ms), 100 W USB-C, app | 55 UPS (10 ms), 100 W USB-C |
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. |
EBL Acc2400
No independent test published yet.
Specifications
| FOSSiBOT F2400 | EBL Acc2400 | |
|---|---|---|
| Battery | ||
| Rated capacity | 2,048 Wh | 1,843.2 Wh |
| Tested usable capacity | 1,720 Wh (84%) | - |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 4,000 to 80%; US spec says 4000+, FOSSiBOT's global spec table says 3500 | 3,500 3,500+ cycles; EBL's product image pairs this with "80% capacity retention" |
| Expandable | No | - |
| Output | ||
| AC output | 2,400 W (4,800 W surge) | 2,400 W (4,800 W surge) |
| AC outlets | 6 total | 4 |
| 120V 20A outlets (NEMA 5-20R) | 6 | - |
| 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 | 2 |
| UPS / pass-through | Yes (8 ms switchover) | Yes (10 ms switchover) |
| Charging | ||
| AC charging | 1,100 W | 1,200 W |
| Full AC charge time | 2 h (Manufacturer: about 2 hours on AC; 1.5 hours with AC + solar (1600W)) | 1 h 36 min (EBL product images: 0-100% in 1.6-2 hr with the default fast-charge mode, 7-8 hr in normal mode. The product-page text says 80% in under 2 hours and ~2 hours overall.) |
| Max solar input | 500 W | 800 W |
| Solar input voltage | - | 12-75V |
| Car charging | 100 W | - |
| Build | ||
| Weight | 48.5 lb (22 kg) | 55 lb (24.9 kg) |
| Dimensions | 15.2 x 11.2 x 12.6 in | 16.93 x 11.81 x 11.02 in |
| App | FOSSiBOT app | - |
| Warranty | 5 years | 1 years |
| Released | 2022-11 | 2026-06 |