Anker SOLIX C2000 Gen 2
#7 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 is the better portable power station overall, rated 4.2 to 2.6. The Anker SOLIX C2000 Gen 2 leads on value, battery life and AC output. The Anker SOLIX C2000 Gen 2 costs $899.02 less ($899.98 vs $1,799).
Generac GB2000
#32 in LargeFull review
For Generac owners who want a 2 kWh battery that can parallel with a second unit; most buyers get more capacity, faster charging and longer battery life for less from LiFePO4 rivals.
Toolnut $1,799$1,799
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 Anker SOLIX C2000 Gen 2 for value ($0.44 per rated Wh vs $0.85 per rated Wh), battery life (LiFePO4, 4,000 cycles vs Li-ion NMC, 1,000 cycles, 3-year warranty) and AC output (2,400 W continuous AC vs 1,600 W continuous AC).
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 | Generac GB2000 |
|---|---|---|
| Overall rating | 4.2/5 | 2.6/5 |
| Value 25% | 79 $0.44 per rated Wh | 15 $0.85 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 | 24 Li-ion NMC, 1,000 cycles, 3-year warranty |
| AC output 15% | 54 2,400 W continuous AC | 7 1,600 W continuous AC |
| Charging speed 10% | 80 0-100% on AC in 1 h 28 min | 50 full AC charge time not published (neutral score used) |
| Portability 10% | 100 108 Wh per kg (41.7 lb (18.9 kg)) | 100 108 Wh per kg (43 lb (19.5 kg)) |
| Solar input 5% | 28 800 W max solar input | 8 468 W max solar input |
| Features 5% | 80 UPS (10 ms), expandable, 140 W USB-C | 0 no UPS, expansion or 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 |
Generac GB2000
No independent test published yet.
Specifications
| Anker SOLIX C2000 Gen 2 | Generac GB2000 | |
|---|---|---|
| Battery | ||
| Rated capacity | 2,048 Wh | 2,106 Wh |
| Tested usable capacity | 1,812 Wh (88%) | - |
| Chemistry | LiFePO4 | Li-ion NMC |
| Cycle life | 4,000 to 80% | 1,000 to 80% (0.5C charge, 1C discharge at 25 C) |
| Expandable | Yes, up to 4,000 Wh | No |
| Output | ||
| AC output | 2,400 W (4,000 W surge) | 1,600 W (3,200 W surge) |
| AC outlets | 6 total | 3 total |
| 120V 20A outlets (NEMA 5-20R) | 5 | - |
| 120V 2-prong outlets (NEMA 1-15R) | - | 3 |
| RV 30A outlet (TT-30R) | 1 | - |
| USB-C ports | 3 (up to 140 W each) | 2 (up to 65 W each) |
| USB-A ports | 1 | 2 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 0 | 0 |
| UPS / pass-through | Yes (10 ms switchover) | No |
| Charging | ||
| AC charging | 1,800 W | 450 W |
| Full AC charge time | 1 h 28 min (100% in 88 min on AC; 58 min with AC + solar at 2600W (manufacturer)) | - |
| Max solar input | 800 W | 468 W |
| Solar input voltage | 11-60V | 10-28V, 30A max (shared DC/solar input) |
| Car charging | 800 W | - |
| Build | ||
| Weight | 41.7 lb (18.9 kg) | 43 lb (19.5 kg) |
| Dimensions | 18.1 x 9.8 x 10.1 in | 16.8 x 10.4 x 15.1 in |
| Warranty | - | 3 years |
| Released | 2025-10 | 2022-09 |