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 value, AC output and solar input. The Jackery Explorer 2000 v2 wins on portability. The OUPES Mega 2 Pro costs $200 less ($699 vs $899).
Jackery Explorer 2000 v2
#16 in LargeFull review
For campers and outage users who want 2 kWh in a comparatively light, simple box and do not plan to expand.
Amazon $899 Jackery $899$899
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 value ($0.34 per rated Wh vs $0.44 per rated Wh), AC output (2,500 W continuous AC vs 2,200 W continuous AC) and solar input (1,000 W max solar input vs 400 W max solar input).
- Choose the Jackery Explorer 2000 v2 for portability (114 Wh per kg (39.5 lb (17.9 kg)) vs 93 Wh per kg (48.8 lb (22.1 kg))).
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 | Jackery Explorer 2000 v2 |
|---|---|---|
| Overall rating | 4.1/5 | 4.0/5 |
| Value 25% | 94 $0.34 per rated Wh | 78 $0.44 per rated Wh |
| Tested capacity 15% | 50 not yet independently tested (neutral score used) | 62 84% of rated capacity delivered (1 test) |
| Battery life 15% | 100 LiFePO4, 4,000 cycles, 5-year warranty | 100 LiFePO4, 4,000 cycles, 5-year warranty |
| AC output 15% | 58 2,500 W continuous AC | 44 2,200 W continuous AC |
| Charging speed 10% | 50 full AC charge time not published (neutral score used) | 71 0-100% on AC in 1 h 45 min |
| Portability 10% | 87 93 Wh per kg (48.8 lb (22.1 kg)) | 100 114 Wh per kg (39.5 lb (17.9 kg)) |
| Solar input 5% | 40 1,000 W max solar input | 5 400 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 |
Independent capacity tests
OUPES Mega 2 Pro
No independent test published yet.
Jackery Explorer 2000 v2
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| OutdoorGearLab | 1,710 Wh | 83.7% | Full-discharge AC test; the review’s table gives 1710 Wh (84%) while its text gives 1740 Wh. Recharged in about 2.5 h. |
Specifications
| OUPES Mega 2 Pro | Jackery Explorer 2000 v2 | |
|---|---|---|
| Battery | ||
| Rated capacity | 2,048 Wh | 2,042 Wh |
| Tested usable capacity | - | 1,710 Wh (84%) |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 4,000 4000+ cycles to 80% | 4,000 to 70%+ |
| Expandable | Yes, up to 10,240 Wh | No |
| Output | ||
| AC output | 2,500 W | 2,200 W (4,400 W surge) |
| Boost mode (resistive loads) | 3,600 W | - |
| AC outlets | 5 total | 3 total |
| 120V 20A outlets (NEMA 5-20R) | 4 | 3 |
| RV 30A outlet (TT-30R) | 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 | 1 |
| 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 45 min (Full in 1.75 h on AC (manufacturer); 15A max input) |
| Max solar input | 1,000 W | 400 W |
| Solar input voltage | 12-80V (MPPT 18-80V, 30A) | 11-60V (2x DC8020) |
| Car charging | 96 W | 96 W |
| Build | ||
| Weight | 48.8 lb (22.1 kg) | 39.5 lb (17.9 kg) |
| Dimensions | 18.8 x 11.6 x 11.6 in | 13.2 x 10.4 x 11.5 in |
| App | OUPES app (Wi-Fi/Bluetooth) | Jackery App |
| Warranty | 5 years | 5 years |
| Released | 2026-06 | 2025-02 |