Power Needs Estimator

Choose what you'd need to run, then see how big a power station to look for.

Phone ~10 WQty Hrs/day
CPAP (no humidifier) ~40 WQty Hrs/day
Full-size fridge ~150 WQty Hrs/day
Box / desk fan ~30 WQty Hrs/day
Wi-Fi router + modem ~12 WQty Hrs/day
Medical device (e.g. oxygen concentrator) ~120 WQty Hrs/day
Laptop ~50 WQty Hrs/day
LED lights ~10 WQty Hrs/day

40 Wh

estimated per day

300 Wh

suggested power station (per day of use)

Estimates include ~20% conversion loss. Check your device labels for exact watts. For life-sustaining medical equipment, talk to your provider and utility about a medical-needs plan.