A powerful, well-priced 3kWh station for RV owners and home backup. It runs high-draw appliances and can be expanded later.
Amazon $899 Pecron $899
A big home-backup station with a 3600W inverter, RV outlet and massive solar input, for households that want to run large appliances through outages.
- 3,072 WhCapacity
- 3,600 WAC output
- 83.3 lbWeight
- LiFePO4Battery
- $0.39Price / Wh
Price checked October 20, 2026. As an Amazon Associate we earn from qualifying purchases.
- 3600W inverter with 7000W surge runs well pumps, AC units and large power tools
- 86% efficiency at a near-3kW load in an independent test
- 2100W solar input can refill it in a few hours of sun
- Expands to over 15kWh for whole-day home backup
- Over 83 lb, so it rolls rather than carries
- UPS mode is limited to 2200W, below the inverter rating
- AC-only recharge takes about two hours
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.
Independent capacity tests
Usable energy delivered from a full charge through the AC outlets, as measured by independent reviewers. Inverter losses mean no station delivers its full rated capacity.
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| The Solar Lab | - | 86% | 2,968W appliance load ran for 53.5 minutes. The article states 3,720Wh capacity in one place; the runtime math matches the rated 3,072Wh. |
Specifications
| Battery | |
|---|---|
| Rated capacity | 3,072 Wh |
| Tested usable capacity | 2,642 Wh (86%) |
| Chemistry | LiFePO4 |
| Cycle life | 3,500 to 80% |
| Expandable | Yes, up to 15,360 Wh |
| Output | |
| AC output | 3,600 W (7,000 W surge) |
| AC outlets | 6 total |
| 120V 20A outlets (NEMA 5-20R) | 5 |
| RV 30A outlet (TT-30R) | 1 |
| USB-C ports | 2 (up to 100 W each) |
| USB-A ports | 4 |
| 12 V car outlet | Yes |
| DC5521 ports | 2 |
| UPS / pass-through | Yes (20 ms switchover) |
| Charging | |
| AC charging | 1,800 W |
| Max solar input | 2,100 W |
| Solar input voltage | 12-148V (MPPT 18-140V, 15A) |
| Build | |
| Weight | 83.3 lb (37.8 kg) |
| Dimensions | 25.2 x 11.9 x 17.2 in |
| App | OUPES app (Wi-Fi/Bluetooth) |
| Warranty | 5 years |
Alternatives in this size
A 240V-capable, expandable home-backup unit for households that need to run a well pump or other 240V loads in an outage.
Amazon $1,799 Jackery $1,799A large home-backup station for buyers who want lots of capacity and solar input at a low price per watt-hour, and don’t need to move it often.
Amazon $1,139 FOSSiBOT $1,219Compare
Compare the OUPES Mega 3 with any other portable power station →
More from OUPES: every OUPES product ranked.