OUPES Mega 1
#14 in Mid-sizeFull review
A strong 1kWh home-backup station with a big inverter and room to expand, often sold well below list price on Amazon.
Amazon $466.65 OUPES $699$466.65
4.1/5
For budget buyers who want 1 kWh of LiFePO4 storage for camping or short outages at a low price per watt-hour. The two AC outlets limit how many appliances it can run directly.
- 1,008 WhCapacity
- 1,200 WAC output
- 24 lbWeight
- Semi-solid-state LiFePO4Battery
- $0.38Price / Wh
Check price at Amazon$386Check price at Dabbsson$386
Price checked October 20, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- About $0.38 per Wh, cheap for a LiFePO4 station of this size
- 24 lb, light for 1 kWh
- Wall charges to 80% in about 50 minutes
- 600W solar input can refill it in a sunny afternoon
Cons
- Only two AC outlets, so you will need a power strip for several appliances
- No independent capacity test yet
- Not expandable
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 | 1,008 Wh |
| Chemistry | Semi-solid-state LiFePO4 |
| Cycle life | 4,000 to 80% |
| Expandable | No |
| Output | |
| AC output | 1,200 W (2,400 W surge) |
| Boost mode (resistive loads) | 1,800 W |
| AC outlets | 2 total |
| 120V 15A outlets (NEMA 5-15R) | 2 |
| 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 (15 ms switchover) |
| Charging | |
| AC charging | 1,000 W |
| Max solar input | 600 W |
| Solar input voltage | 12-60V, 21A max (AC + solar combined up to 1400W) |
| Car charging | 200 W |
| Build | |
| Weight | 24 lb (10.9 kg) |
| Dimensions | 15.3 x 7.4 x 9.4 in |
| App | Dabbsson app |
| Warranty | 5 years |
Alternatives in this size
ALLPOWERS S2000 Pro
#15 in Mid-sizeFull review
For buyers who want the most output for the money and will use it occasionally. Anyone planning daily cycling or full-power home backup should choose a LiFePO4 unit.
Amazon $559 ALLPOWERS $664$559
ALLPOWERS P1800
#17 in Mid-sizeFull review
For buyers who want a 1 kWh LiFePO4 station for camping or short outages at a low price, and can accept a less established brand with no independent testing yet.
Amazon $419 ALLPOWERS $439$419
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