Quote:
Originally Posted by PeteandJoan
My CPAP is a RES/MED 37028 (VA issued to me) and I have a battery to power it (also VA issued) if I am in an area with no shore power or lose power at home. Comes with charger. Battery will last appx 13 hrs. Check with your manufacturer to seen if available . Probably cheaper than an inverter and also easier with no special installation needed.
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Pete,
A quick look at the user guide shows 90 watts power usage. If on 120 V AC, that's about 8 amps. If you look at the efficiency of an inverter as 80%, something as light as a 200 watt inverter would take care of the CPAP, but as others have said, you may want to think about some other AC usage that would be nice when not connected to shore power (e.g. TV, sound system, coffee machine, electric toothbrushes, etc). If in doubt or not comfortable with electrical wiring, consulting an electrician with RV system experience might be the most comfortable way to proceed.