OUPES power stations
Enough Watts lists 2 OUPES power stations sold in the US, from the 2,048 Wh Mega 2 Pro to the 4,608 Wh Guardian 6000 V2. Both use lithium iron phosphate (LiFePO4) cells. Continuous AC output runs from 2,500 W to 6,000 W. Both take expansion batteries, and 1 supplies 240 V on its own. Prices run from $1,599 to $2,699 as of October 2026, or $0.59 to $0.78 per Wh of rated capacity.
Updated
The lineup by capacity
2 models in the OUPES lineup we track, smallest first. Each name opens what that station runs and for how long.
| Power station | Capacity | Output | Surge | Weight | Price |
|---|---|---|---|---|---|
| Mega 2 Pro | 2,048 Wh | 2,500 W | not published | 48.7 lb (22.1 kg) | $1,599$0.78 per Wh |
| Guardian 6000 V2 | 4,608 Wh | 6,000 W | 9,000 W | 111.8 lb (50.7 kg) | $2,699$0.59 per Wh |
Which OUPES model runs it
The smallest model in the lineup that powers each appliance on its own, at 85% efficiency with typical watts.
| Appliance, on its own | Smallest model that runs it | On a full charge |
|---|---|---|
| CPAP machine (no humidifier) | Mega 2 Pro | 6.6 days |
| Refrigerator (modern, full size) | Mega 2 Pro | 32.1 h |
| Sump pump (1/2 HP) | Mega 2 Pro | 1.9 h |
| Microwave oven (1,000 W cooking power) | Mega 2 Pro | 1.1 h of use |
| Window air conditioner (5,000 BTU) | Mega 2 Pro | 3.3 h |
| Electric space heater (1,500 W) | Mega 2 Pro | 1.2 h |
Watts vary by model and age. Check the label on your own appliance and enter it for an exact answer. For a whole list of appliances at once, use the runtime calculator.
On the maker's site
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