What Size Power Station Do I Need? A Simple Way to Calculate It
Watt-hours, watts and surge explained in plain English, with real examples for a fridge, CPAP, camping and home backup — plus a free calculator.
Updated Oct 27, 2026
Power Stations & Solar
CPAP Backup Power
Run a CPAP through the night during an outage or off-grid — how much battery you really need, and which units do it best.