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 OUPES Mega 2 Pro are evenly matched, rated 4.2 and 4.1. The Anker SOLIX C2000 Gen 2 leads on portability. The OUPES Mega 2 Pro wins on value, battery life and features. The OUPES Mega 2 Pro costs $200.98 less ($699 vs $899.98).
OUPES Mega 2 Pro
#6 in LargeFull review
A 2kWh LiFePO4 station with an RV outlet and large expansion for home backup and RV owners on a budget.
OUPES $699$699
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 portability (108 Wh per kg (41.7 lb (18.9 kg)) vs 93 Wh per kg (48.8 lb (22.1 kg))).
- Choose the OUPES Mega 2 Pro for value ($0.34 per rated Wh vs $0.44 per rated Wh), battery life (LiFePO4, 4,000 cycles, 5-year warranty vs LiFePO4, 4,000 cycles) and features (UPS (20 ms), expandable, 140 W USB-C, app vs UPS (10 ms), expandable, 140 W USB-C).
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 | OUPES Mega 2 Pro |
|---|---|---|
| Overall rating | 4.2/5 | 4.1/5 |
| Value 25% | 79 $0.44 per rated Wh | 94 $0.34 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 | 58 2,500 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)) | 87 93 Wh per kg (48.8 lb (22.1 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 (20 ms), expandable, 140 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 |
OUPES Mega 2 Pro
No independent test published yet.
Specifications
| Anker SOLIX C2000 Gen 2 | OUPES Mega 2 Pro | |
|---|---|---|
| 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 4000+ cycles to 80% |
| Expandable | Yes, up to 4,000 Wh | Yes, up to 10,240 Wh |
| Output | ||
| AC output | 2,400 W (4,000 W surge) | 2,500 W |
| Boost mode (resistive loads) | - | 3,600 W |
| AC outlets | 6 total | 5 total |
| 120V 20A outlets (NEMA 5-20R) | 5 | 4 |
| RV 30A outlet (TT-30R) | 1 | 1 |
| USB-C ports | 3 (up to 140 W each) | 2 (up to 140 W each) |
| USB-A ports | 1 | 2 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | - | 0 |
| UPS / pass-through | Yes (10 ms switchover) | Yes (20 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 | 12-80V (MPPT 18-80V, 30A) |
| Car charging | 800 W | - |
| Build | ||
| Weight | 41.7 lb (18.9 kg) | 48.8 lb (22.1 kg) |
| Dimensions | 18.1 x 9.8 x 10.1 in | 18.8 x 11.6 x 11.6 in |
| App | - | OUPES app (Wi-Fi/Bluetooth) |
| Warranty | - | 5 years |