Blackout Sizer Calculator
EN

Backup power: CPAP through the night

Without the heated humidifier a night is ~300 Wh; use the DC cable and any 500 Wh station lasts two nights.

What is included

WhWh
CPAP (no humidifier)358280
Smartphone charging15115
LED lighting (5 bulbs)40140

Your numbers

Energy per outage
335 Wh
335 Wh per day
Peak power
95 W
90 W
Battery needed
508 Wh
Solar to recharge daily (winter)
224 W

Three setups

Minimum

Covers critical appliances only
Goal Zero Yeti 500
499.2 Wh · 500 W (1000 W peak)
→

Comfort

Everything you ticked, full outage
Aferiy P010 (Nomad800)
512 Wh · 800 W (800 W peak)
→

Autonomy

Expandable system + solar or generator
Bluetti AC70
768 Wh · 1000 W (1000 W peak)
→

Shop links are affiliate links: if you buy, we earn a small commission at no cost to you. Picks are based on your numbers, not on commission.

Open in calculator with this appliance →