What size power station do I need?

Tick what you want to power, adjust watts and hours if you know your device's numbers (check its label), and we'll size the battery. Results include ~15% inverter loss and a 20% safety margin.

Use	Device	Watts	Hours/day
	Refrigerator (full size) (compressor runs ~8 h/day)
	Chest freezer
	CPAP (no humidifier)
	Wi-Fi router + modem
	Phone charging
	Laptop
	LED lights (4 bulbs)
	TV (50" LED)
	Box fan
	Window AC (5,000 BTU)
	Microwave
	Coffee maker
	Sump pump (1/3 HP)
	Space heater

Days of backup without recharging

Battery you need–

Continuous output–

Surge (startup) output–