Anker SOLIX C2000 Gen 2
#4 in LargeFull review
For buyers who want a light, fast-charging 2 kWh unit with strong USB-C and an RV outlet.
Amazon $899.98 Anker $999.99$899.98
The Anker SOLIX C2000 Gen 2 and the FOSSiBOT F2400 are evenly matched, rated 4.2 and 4.1. The Anker SOLIX C2000 Gen 2 leads on charging speed, portability and solar input. The FOSSiBOT F2400 wins on value and battery life. The FOSSiBOT F2400 costs $320.98 less ($579 vs $899.98).
FOSSiBOT F2400
#7 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
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 Anker SOLIX C2000 Gen 2 for charging speed (0-100% on AC in 1 h 28 min vs 0-100% on AC in 2 h), portability (108 Wh per kg (41.7 lb (18.9 kg)) vs 93 Wh per kg (48.5 lb (22 kg))) and solar input (800 W max solar input vs 500 W max solar input).
- Choose the FOSSiBOT F2400 for value ($0.28 per rated Wh vs $0.44 per rated Wh) and battery life (LiFePO4, 4,000 cycles, 5-year warranty vs LiFePO4, 4,000 cycles).
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 | Anker SOLIX C2000 Gen 2 | FOSSiBOT F2400 |
|---|---|---|
| Overall rating | 4.2/5 | 4.1/5 |
| Value 25% | 79 $0.44 per rated Wh | 100 $0.28 per rated Wh |
| Tested capacity 15% | 84 88% of rated capacity delivered (1 test) | 50 not yet independently tested (neutral score used) |
| Battery life 15% | 85 LiFePO4, 4,000 cycles | 100 LiFePO4, 4,000 cycles, 5-year warranty |
| AC output 15% | 54 2,400 W continuous AC | 54 2,400 W continuous AC |
| Charging speed 10% | 80 0-100% on AC in 1 h 28 min | 63 0-100% on AC in 2 h |
| Portability 10% | 100 108 Wh per kg (41.7 lb (18.9 kg)) | 87 93 Wh per kg (48.5 lb (22 kg)) |
| Solar input 5% | 28 800 W max solar input | 11 500 W max solar input |
| Features 5% | 80 UPS (10 ms), expandable, 140 W USB-C | 75 UPS (8 ms), 100 W USB-C, app |
Independent capacity tests
Anker SOLIX C2000 Gen 2
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| CNET | 1,812 Wh | 88.5% | 480W load logged with HOBOware; round-trip efficiency 74.02%; recharge 1 h 28 min; ran a test fridge about 27.4 h |
FOSSiBOT F2400
No independent test published yet.
Specifications
| Anker SOLIX C2000 Gen 2 | FOSSiBOT F2400 | |
|---|---|---|
| Battery | ||
| Rated capacity | 2,048 Wh | 2,048 Wh |
| Tested usable capacity | 1,812 Wh (88%) | - |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 4,000 to 80% | 4,000 to 80%; US spec says 4000+, FOSSiBOT's global spec table says 3500 |
| Expandable | Yes, up to 4,000 Wh | No |
| Output | ||
| AC output | 2,400 W (4,000 W surge) | 2,400 W (4,800 W surge) |
| AC outlets | 6 total | 6 total |
| 120V 20A outlets (NEMA 5-20R) | 5 | 6 |
| RV 30A outlet (TT-30R) | 1 | - |
| AC waveform | - | Pure sine wave |
| USB-C ports | 3 (up to 140 W each) | 4 (up to 100 W each) |
| USB-A ports | 1 | 2 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | - | 2 |
| UPS / pass-through | Yes (10 ms switchover) | Yes (8 ms switchover) |
| Charging | ||
| AC charging | 1,800 W | 1,100 W |
| Full AC charge time | 1 h 28 min (100% in 88 min on AC; 58 min with AC + solar at 2600W (manufacturer)) | 2 h (Manufacturer: about 2 hours on AC; 1.5 hours with AC + solar (1600W)) |
| Max solar input | 800 W | 500 W |
| Solar input voltage | 11-60V | - |
| Car charging | 800 W | 100 W |
| Build | ||
| Weight | 41.7 lb (18.9 kg) | 48.5 lb (22 kg) |
| Dimensions | 18.1 x 9.8 x 10.1 in | 15.2 x 11.2 x 12.6 in |
| App | - | FOSSiBOT app |
| Warranty | - | 5 years |