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
4.1/5
A mid-priced, expandable LiFePO4 station for home backup and RV use, for buyers who want room to add batteries later.
- 1,536 WhCapacity
- 2,200 WAC output
- 38.4 lbWeight
- LiFePO4Battery
- 1 h 48 minFull charge
- $0.36Price / Wh
Check price at Amazon$549Check price at Pecron$549
Price checked October 20, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Expands past 9kWh with add-on batteries for longer outages
- 1000W solar input refills it in a few sunny hours
- 2200W inverter handles most kitchen appliances and power tools
- Five-year warranty with registration
Cons
- Heavy at about 38 lb
- Only four AC outlets
- The Solar Lab saw an overheating warning in testing
How it scores
The rating comes from 8 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Battery | |
|---|---|
| Rated capacity | 1,536 Wh |
| Chemistry | LiFePO4 |
| Cycle life | 3,500 to 80% |
| Expandable | Yes, up to 9,216 Wh |
| Output | |
| AC output | 2,200 W (4,400 W surge) |
| AC outlets | 4 total |
| 120V 20A outlets (NEMA 5-20R) | 4 |
| AC waveform | Pure sine wave |
| USB-C ports | 2 (up to 100 W each) |
| USB-A ports | 2 |
| 12 V car outlet | Yes |
| DC5521 ports | 1 |
| UPS / pass-through | Yes (20 ms switchover) |
| Charging | |
| AC charging | 1,400 W |
| Full AC charge time | 1 h 48 min (Manufacturer: full in 1.8 hours) |
| Max solar input | 1,000 W |
| Solar input voltage | 11-60V, 20A (XT60) |
| Car charging | 100 W |
| Build | |
| Weight | 38.4 lb (17.4 kg) |
| Dimensions | 14.8 x 9.3 x 12 in |
| App | PECRON app (Wi-Fi/Bluetooth) |
| Warranty | 5 years |
Alternatives in this size
FOSSiBOT F2400
#7 in LargeFull review
A low-cost 2kWh station for home backup and RV use when price per watt-hour matters more than charging speed.
Amazon $579 FOSSiBOT $609$579
Dabbsson DBS2100 Pro
#9 in LargeFull review
For home-backup and RV buyers who want 2 kWh, high output and room to add batteries at a low price per watt-hour. Expect average efficiency at heavy loads.
Amazon $799 Dabbsson $799$799
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