OUPES Mega 2 Pro
#8 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
The OUPES Mega 2 Pro is the better portable power station overall, rated 4.1 to 4.0. The OUPES Mega 2 Pro leads on battery life, features and portability. The Renogy PowerStation 2000 wins on solar input. The OUPES Mega 2 Pro costs $100 less ($699 vs $799).
Renogy PowerStation 2000
#17 in LargeFull review
For RV owners and home-backup buyers who want 2 kWh, a TT-30 outlet and a UPS at a low price per watt-hour, and don’t need to expand it later.
Amazon $849.98 Renogy $799$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 OUPES Mega 2 Pro for battery life (LiFePO4, 4,000 cycles, 5-year warranty vs LiFePO4, 3,000 cycles, 3-year warranty), features (UPS (20 ms), expandable, 140 W USB-C, app vs UPS (20 ms), 100 W USB-C, app) and portability (93 Wh per kg (48.8 lb (22.1 kg)) vs 87 Wh per kg (51.8 lb (23.5 kg))).
- Choose the Renogy PowerStation 2000 for solar input (1,200 W max solar input vs 1,000 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 | OUPES Mega 2 Pro | Renogy PowerStation 2000 |
|---|---|---|
| Overall rating | 4.1/5 | 4.0/5 |
| Value 25% | 94 $0.34 per rated Wh | 86 $0.39 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% | 100 LiFePO4, 4,000 cycles, 5-year warranty | 81 LiFePO4, 3,000 cycles, 3-year warranty |
| AC output 15% | 58 2,500 W continuous AC | 54 2,400 W continuous AC |
| Charging speed 10% | 50 full AC charge time not published (neutral score used) | 79 0-100% on AC in 1 h 30 min |
| Portability 10% | 87 93 Wh per kg (48.8 lb (22.1 kg)) | 77 87 Wh per kg (51.8 lb (23.5 kg)) |
| Solar input 5% | 40 1,000 W max solar input | 51 1,200 W max solar input |
| Features 5% | 100 UPS (20 ms), expandable, 140 W USB-C, app | 75 UPS (20 ms), 100 W USB-C, app |
Specifications
| OUPES Mega 2 Pro | Renogy PowerStation 2000 | |
|---|---|---|
| Battery | ||
| Rated capacity | 2,048 Wh | 2,048 Wh |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 4,000 4000+ cycles to 80% | 3,000 to 80% (0.5C, 80% DOD) |
| Expandable | Yes, up to 10,240 Wh | No |
| Output | ||
| AC output | 2,500 W | 2,400 W (3,600 W surge) |
| Boost mode (resistive loads) | 3,600 W | - |
| AC outlets | 5 total | 5 total |
| 120V 20A outlets (NEMA 5-20R) | 4 | 4 |
| RV 30A outlet (TT-30R) | 1 | 1 |
| AC waveform | - | Pure sine wave |
| USB-C ports | 2 (up to 140 W each) | 2 (up to 100 W each) |
| USB-A ports | 2 | 4 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 0 | 0 |
| UPS / pass-through | Yes (20 ms switchover) | Yes (20 ms switchover) |
| Charging | ||
| AC charging | 1,800 W | - |
| Full AC charge time | - | 1 h 30 min (About 90 min 0-100% (manual); 0-80% in about 1 h (product page)) |
| Max solar input | 1,000 W | 1,200 W |
| Solar input voltage | 12-80V (MPPT 18-80V, 30A) | 12-60V, 25A max |
| Car charging | 96 W | 102 W |
| Build | ||
| Weight | 48.8 lb (22.1 kg) | 51.8 lb (23.5 kg) |
| Dimensions | 18.8 x 11.6 x 11.6 in | 17.72 x 10.46 x 13.74 in |
| App | OUPES app (Wi-Fi/Bluetooth) | PowerStation Manager app (Wi-Fi and Bluetooth) |
| Warranty | 5 years | 3 years |
| Released | 2026-06 | 2026-07 |