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 is the better portable power station overall, rated 4.2 to 4.1. The Anker SOLIX C2000 Gen 2 leads on AC output, solar input and charging speed. The Anker SOLIX S2000 wins on value, battery life and tested capacity. The Anker SOLIX S2000 costs $199.99 less ($699.99 vs $899.98).
Anker SOLIX S2000
#10 in LargeFull review
For home backup of a fridge, router and small appliances where a compact, long-lived battery matters more than high output or solar charging speed.
Amazon $699.99 Anker SOLIX $699.99$699.99
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 AC output (2,400 W continuous AC vs 1,500 W continuous AC), solar input (800 W max solar input vs 400 W max solar input) and charging speed (0-100% on AC in 1 h 28 min vs 0-100% on AC in 1 h 47 min).
- Choose the Anker SOLIX S2000 for value ($0.35 per rated Wh vs $0.44 per rated Wh), battery life (LiFePO4, 6,000 cycles, 5-year warranty vs LiFePO4, 4,000 cycles) and tested capacity (91% of rated capacity delivered (1 test) vs 88% of rated capacity delivered (1 test)).
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 | Anker SOLIX S2000 |
|---|---|---|
| Overall rating | 4.2/5 | 4.1/5 |
| Value 25% | 79 $0.44 per rated Wh | 93 $0.35 per rated Wh |
| Tested capacity 15% | 84 88% of rated capacity delivered (1 test) | 95 91% of rated capacity delivered (1 test) |
| Battery life 15% | 85 LiFePO4, 4,000 cycles | 100 LiFePO4, 6,000 cycles, 5-year warranty |
| AC output 15% | 54 2,400 W continuous AC | 0 1,500 W continuous AC |
| Charging speed 10% | 80 0-100% on AC in 1 h 28 min | 70 0-100% on AC in 1 h 47 min |
| Portability 10% | 100 108 Wh per kg (41.7 lb (18.9 kg)) | 100 124 Wh per kg (35.7 lb (16.2 kg)) |
| Solar input 5% | 28 800 W max solar input | 6 400 W max solar input |
| Features 5% | 80 UPS (10 ms), expandable, 140 W USB-C | 75 UPS (10 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 |
Anker SOLIX S2000
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| The Solar Lab | - | 91% | Efficiency test; load not specified in the review. Measured AC recharge 1 h 47 min. |
Specifications
| Anker SOLIX C2000 Gen 2 | Anker SOLIX S2000 | |
|---|---|---|
| Battery | ||
| Rated capacity | 2,048 Wh | 2,010 Wh |
| Tested usable capacity | 1,812 Wh (88%) | 1,829 Wh (91%) |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 4,000 to 80% | 6,000 to 80% (10,000 to 60%) |
| Expandable | Yes, up to 4,000 Wh | No |
| Output | ||
| AC output | 2,400 W (4,000 W surge) | 1,500 W (3,000 W surge) |
| AC outlets | 6 total | 5 total |
| 120V 15A outlets (NEMA 5-15R) | - | 5 |
| 120V 20A outlets (NEMA 5-20R) | 5 | - |
| RV 30A outlet (TT-30R) | 1 | - |
| USB-C ports | 3 (up to 140 W each) | 2 (up to 100 W each) |
| USB-A ports | 1 | 1 |
| 12 V car outlet | Yes | No |
| UPS / pass-through | Yes (10 ms switchover) | Yes (10 ms switchover) |
| Charging | ||
| AC charging | 1,800 W | 1,600 W |
| Full AC charge time | 1 h 28 min (100% in 88 min on AC; 58 min with AC + solar at 2600W (manufacturer)) | 1 h 47 min (measured by The Solar Lab; Anker states 2.3 h at the default 1,150W, UltraFast (1,600W) is enabled in the app) |
| Max solar input | 800 W | 400 W |
| Solar input voltage | 11-60V | 11-60V |
| Car charging | 800 W | - |
| Build | ||
| Weight | 41.7 lb (18.9 kg) | 35.7 lb (16.2 kg) |
| Dimensions | 18.1 x 9.8 x 10.1 in | 8.2 x 11.1 x 12.7 in |
| App | - | Anker app |
| Warranty | - | 5 years |
| Released | - | 2026-05 |