A low-cost 2kWh station for home backup and RV use when price per watt-hour matters more than charging speed.
Amazon $579 FOSSiBOT $609The FOSSiBOT F2400 is the better portable power station overall, rated 4.2 to 4.0. The FOSSiBOT F2400 leads on value, battery life and portability. The Renogy PowerStation 2000 wins on solar input and charging speed. The FOSSiBOT F2400 costs $220 less ($579 vs $799).
For RV owners and home-backup buyers who want 2 kWh, a TT-30 outlet and a UPS at a low price per watt-hour, and don’t need to expand it later.
Amazon $849.98 Renogy $799Prices 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 $0.39 per rated Wh), battery life (LiFePO4, 4,000 cycles, 5-year warranty vs LiFePO4, 3,000 cycles, 3-year warranty) and portability (93 Wh per kg (48.5 lb (22 kg)) vs 87 Wh per kg (51.8 lb (23.5 kg))).
- Choose the Renogy PowerStation 2000 for solar input (1,200 W max solar input vs 500 W max solar input) and charging speed (0-100% on AC in 1 h 30 min vs 0-100% on AC in 2 h).
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 | Renogy PowerStation 2000 |
|---|---|---|
| Overall rating | 4.2/5 | 4.0/5 |
| Value 25% | 100 $0.28 per rated Wh | 86 $0.39 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, 3,000 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)) | 77 87 Wh per kg (51.8 lb (23.5 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 | 75 UPS (20 ms), 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. |
Renogy PowerStation 2000
No independent test published yet.
Specifications
| FOSSiBOT F2400 | Renogy PowerStation 2000 | |
|---|---|---|
| Battery | ||
| Rated capacity | 2,048 Wh | 2,048 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 | 3,000 to 80% (0.5C, 80% DOD) |
| Expandable | No | No |
| 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 | 4 |
| 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 | - |
| Full AC charge time | 2 h (Manufacturer: about 2 hours on AC; 1.5 hours with AC + solar (1600W)) | 1 h 30 min (About 90 min 0-100% (manual); 0-80% in about 1 h (product page)) |
| Max solar input | 500 W | 1,200 W |
| Solar input voltage | - | 12-60V, 25A max |
| Car charging | 100 W | 102 W |
| Build | ||
| Weight | 48.5 lb (22 kg) | 51.8 lb (23.5 kg) |
| Dimensions | 15.2 x 11.2 x 12.6 in | 17.72 x 10.46 x 13.74 in |
| App | FOSSiBOT app | PowerStation Manager app (Wi-Fi and Bluetooth) |
| Warranty | 5 years | 3 years |
| Released | 2022-11 | 2026-07 |
