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Runtime by device

How long will a power station run it?

Pick the device. Each page gives its sourced draw and start-up, the hours on every tracked unit, and the cheapest and lightest units that last a typical day of it. For several devices at once, the calculator adds them up.

Every device, smallest draw first; hours on a 1,024 Wh unit
DeviceDrawsTo startHours on 1,024 WhUnits that can run it
Lights 10 W 10 W 87 55 of 56
Laptop and phone 40 W 40 W 21.8 55 of 56
Refrigerator 41 W 1,300 W 21.1 44 of 56
CPAP with humidifier 53 W 104 W 16.4 55 of 56
Starlink 88 W 88 W 9.9 55 of 56
TV 89 W 89 W 9.8 55 of 56
Fan 90 W 90 W 9.7 55 of 56
Oxygen concentrator 120 W 120 W 7.3 55 of 56
Electric blanket 180 W 180 W 4.8 55 of 56
Sump pump 1,116 W 2,900 W 47 minnon-stop; 3 to 5 h of cover 36 of 56
Space heater 1,500 W 1,500 W 35 min 42 of 56
Power tools 1,800 W 2,300 W 29 min 40 of 56

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Runtime is rated capacity × 0.85 ÷ watts. Check startup draw and connections separately. Prices are the maker's, with the day they were checked.