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 4.1. The OUPES Mega 2 Pro leads on battery life and solar input. The PECRON E2400LFP wins on portability. The PECRON E2400LFP costs $50 less ($649 vs $699).
PECRON E2400LFP
#14 in LargeFull review
A low-cost 2kWh LiFePO4 station for home backup that can grow with extra batteries. Heavy users who run it near full load should expect less runtime than the rating suggests.
Amazon $649$649
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, 3,500 cycles, 3-year warranty) and solar input (1,000 W max solar input vs 800 W max solar input).
- Choose the PECRON E2400LFP for portability (100 Wh per kg (45 lb (20.5 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 | PECRON E2400LFP |
|---|---|---|
| Overall rating | 4.1/5 | 4.1/5 |
| Value 25% | 94 $0.34 per rated Wh | 97 $0.32 per rated Wh |
| Tested capacity 15% | 50 not yet independently tested (neutral score used) | 23 75% of rated capacity delivered (1 test) |
| Battery life 15% | 100 LiFePO4, 4,000 cycles, 5-year warranty | 86 LiFePO4, 3,500 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)) | 100 100 Wh per kg (45 lb (20.5 kg)) |
| Solar input 5% | 40 1,000 W max solar input | 28 800 W max solar input |
| Features 5% | 100 UPS (20 ms), expandable, 140 W USB-C, app | 100 UPS (20 ms), expandable, 100 W USB-C, app |
Independent capacity tests
OUPES Mega 2 Pro
No independent test published yet.
PECRON E2400LFP
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| The Solar Lab | - | 75% | 2,275W load from full to shutoff; first run stopped at 36 min with an overheating warning, retest after calibration ran 40.5 min. Measured idle draw about 13.6W and a 1 h 21 min AC recharge. |
Specifications
| OUPES Mega 2 Pro | PECRON E2400LFP | |
|---|---|---|
| Battery | ||
| Rated capacity | 2,048 Wh | 2,048 Wh |
| Tested usable capacity | - | 1,536 Wh (75%) |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 4,000 4000+ cycles to 80% | 3,500 to 80% |
| Expandable | Yes, up to 10,240 Wh | Yes, up to 9,728 Wh |
| Output | ||
| AC output | 2,500 W | 2,400 W (4,000 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 | 4 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 0 | 1 |
| UPS / pass-through | Yes (20 ms switchover) | Yes (20 ms switchover) |
| Charging | ||
| AC charging | 1,800 W | 1,800 W |
| Full AC charge time | - | 1 h 30 min (Manufacturer: full in 1.5 hours) |
| Max solar input | 1,000 W | 800 W |
| Solar input voltage | 12-80V (MPPT 18-80V, 30A) | 32-95V, 700W (GX16) + 12-18V, 100W (DC5521) |
| Car charging | 96 W | 100 W |
| Build | ||
| Weight | 48.8 lb (22.1 kg) | 45 lb (20.5 kg) |
| Dimensions | 18.8 x 11.6 x 11.6 in | 14.8 x 9.3 x 13 in |
| App | OUPES app (Wi-Fi/Bluetooth) | PECRON app (Wi-Fi/Bluetooth) |
| Warranty | 5 years | 3 years |
| Released | 2026-06 | 2025-09 |