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 4.0. The Anker SOLIX C2000 Gen 2 leads on value and portability. The EcoFlow DELTA 2 Max wins on features and solar input. The Anker SOLIX C2000 Gen 2 costs $149.02 less ($899.98 vs $1,049).
EcoFlow DELTA 2 Max
#17 in LargeFull review
A proven 2kWh LiFePO4 station for home backup and RV trips with plenty of outlets. It costs less than the DELTA 3 Max Plus but has slower switchover and less output.
Amazon $1,049 EcoFlow $1,049$1,049
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 value ($0.44 per rated Wh vs $0.51 per rated Wh) and portability (108 Wh per kg (41.7 lb (18.9 kg)) vs 89 Wh per kg (50 lb (23 kg))).
- Choose the EcoFlow DELTA 2 Max for features (UPS (30 ms), expandable, 100 W USB-C, app vs UPS (10 ms), expandable, 140 W USB-C) and solar input (1,000 W max solar input vs 800 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 | Anker SOLIX C2000 Gen 2 | EcoFlow DELTA 2 Max |
|---|---|---|
| Overall rating | 4.2/5 | 4.0/5 |
| Value 25% | 79 $0.44 per rated Wh | 67 $0.51 per rated Wh |
| Tested capacity 15% | 84 88% of rated capacity delivered (1 test) | 81 88% of rated capacity delivered (1 test) |
| Battery life 15% | 85 LiFePO4, 4,000 cycles | 91 LiFePO4, 3,000 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 | 50 full AC charge time not published (neutral score used) |
| Portability 10% | 100 108 Wh per kg (41.7 lb (18.9 kg)) | 80 89 Wh per kg (50 lb (23 kg)) |
| Solar input 5% | 28 800 W max solar input | 40 1,000 W max solar input |
| Features 5% | 80 UPS (10 ms), expandable, 140 W USB-C | 100 UPS (30 ms), expandable, 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 |
EcoFlow DELTA 2 Max
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| StorageReview | 1,800 Wh | 88% | AC discharge at a 350W load. Recharge took 2,370 Wh from the wall. |
Specifications
| Anker SOLIX C2000 Gen 2 | EcoFlow DELTA 2 Max | |
|---|---|---|
| Battery | ||
| Rated capacity | 2,048 Wh | 2,048 Wh |
| Tested usable capacity | 1,812 Wh (88%) | 1,800 Wh (88%) |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 4,000 to 80% | 3,000 to 80% |
| Expandable | Yes, up to 4,000 Wh | Yes, up to 6,144 Wh |
| Output | ||
| AC output | 2,400 W (4,000 W surge) | 2,400 W (4,800 W surge) |
| Boost mode (resistive loads) | - | 3,400 W |
| AC outlets | 6 total | 6 total |
| 120V 20A outlets (NEMA 5-20R) | 5 | 6 |
| 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 | 4 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | - | 2 |
| UPS / pass-through | Yes (10 ms switchover) | Yes (30 ms switchover) |
| Charging | ||
| AC charging | 1,800 W | 1,800 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 | 1,000 W |
| Solar input voltage | 11-60V | 11-60V, 15A (2 inputs, 500W each) |
| Car charging | 800 W | - |
| Build | ||
| Weight | 41.7 lb (18.9 kg) | 50 lb (23 kg) |
| Dimensions | 18.1 x 9.8 x 10.1 in | 19.6 x 9.5 x 12 in |
| App | - | EcoFlow app (Wi-Fi and Bluetooth) |
| Warranty | - | 5 years |