DJI Power 2000
#3 in LargeFull review
For drone and camera users already in the DJI ecosystem who want high USB output and 3000W AC in a 2 kWh unit.
Amazon $749.99$749.99
The DJI Power 2000 is the better portable power station overall, rated 4.3 to 4.1. The DJI Power 2000 leads on AC output. The OUPES Mega 2 Pro wins on battery life. The OUPES Mega 2 Pro costs $50.99 less ($699 vs $749.99).
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 21, 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 DJI Power 2000 for AC output (3,000 W continuous AC vs 2,500 W continuous AC).
- Choose the OUPES Mega 2 Pro for 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 | DJI Power 2000 | OUPES Mega 2 Pro |
|---|---|---|
| Overall rating | 4.3/5 | 4.1/5 |
| Value 25% | 90 $0.37 per rated Wh | 94 $0.34 per rated Wh |
| Tested capacity 15% | 50 not yet independently tested (neutral score used) | 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% | 79 3,000 W continuous AC | 58 2,500 W continuous AC |
| Charging speed 10% | 79 0-100% on AC in 1 h 30 min | 50 full AC charge time not published (neutral score used) |
| Portability 10% | 87 93 Wh per kg (48.5 lb (22 kg)) | 87 93 Wh per kg (48.8 lb (22.1 kg)) |
| Solar input 5% | 50 solar input not published (neutral score used) | 40 1,000 W max solar input |
| Features 5% | 100 UPS (10 ms), expandable, 140 W USB-C, app | 100 UPS (20 ms), expandable, 140 W USB-C, app |
Specifications
| DJI Power 2000 | OUPES Mega 2 Pro | |
|---|---|---|
| Battery | ||
| Rated capacity | 2,048 Wh | 2,048 Wh |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 4,000 to 80% | 4,000 4000+ cycles to 80% |
| Expandable | Yes, up to 22,528 Wh | Yes, up to 10,240 Wh |
| Output | ||
| AC output | 3,000 W | 2,500 W |
| Boost mode (resistive loads) | - | 3,600 W |
| AC outlets | 4 total | 5 total |
| 120V 20A outlets (NEMA 5-20R) | 3 | 4 |
| RV 30A outlet (TT-30R) | 1 | 1 |
| USB-C ports | 4 (up to 140 W each) | 2 (up to 140 W each) |
| USB-A ports | 4 | 2 |
| 12 V car outlet | No | Yes |
| DC5521 ports | 0 | 0 |
| UPS / pass-through | Yes (10 ms switchover) | Yes (20 ms switchover) |
| Charging | ||
| AC charging | 2,200 W | 1,800 W |
| Full AC charge time | 1 h 30 min (0-80% in 55 min (manufacturer); 15A AC input) | - |
| Max solar input | - | 1,000 W |
| Solar input voltage | - | 12-80V (MPPT 18-80V, 30A) |
| Car charging | - | 96 W |
| Build | ||
| Weight | 48.5 lb (22 kg) | 48.8 lb (22.1 kg) |
| Dimensions | 448 x 225 x 324 mm | 18.8 x 11.6 x 11.6 in |
| App | Wi-Fi + Bluetooth 5.0 | OUPES app (Wi-Fi/Bluetooth) |
| Warranty | - | 5 years |