What size power station for cpap for a week off grid?

This fixture bundle needs about 3821 rated Wh using the 0.85 usable-capacity factor.

Are these guarantees?

No. Runtime varies by settings, temperature, battery age, and device behavior. Test at home before relying on the setup.

Use-case calculator

CPAP for a week off grid

This bundle needs about 3821 rated Wh using the fixed 0.85 usable-capacity estimate.

A CPAP is a medical device. These are runtime estimates, not medical advice or a medical-safety guarantee. Test your exact setup at home before relying on it.

Load	Watts	Hours	Load energy
ResMed CPAP, humidifier off	30 W	56 h	1680 Wh
CPAP via DC converter cable	28 W	56 h	1568 Wh

Smallest matching stations

Model	Rated Wh	Usable Wh	Headroom	MSRP fixture
Anker SOLIX F3800	3840 Wh	3264 Wh usable	19 Wh nominal	$3,999
EcoFlow DELTA Pro 3	4096 Wh	3482 Wh usable	275 Wh nominal	$3,699

Adjust this scenario

Pick loads, hours, and whether CPAP uses an AC inverter or a compatible DC converter cable.

CPAP DC converter estimate

A CPAP is a medical device. These are runtime estimates, not medical advice or a medical-safety guarantee. Test your exact setup at home before relying on it.