I used to use a CPAP. The basic unit ran off 12V provided by the line lump power supply. I disconnected the humidifier when traveling and just got a 12V power cord with the appropriate connector that plugged into the cigar lighter socket by the TV. Ran fine all night. You do want to verify your particular unit does indeed run from 12V. All the ones I have seen do, but never hurts to be sure.
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Michael & Sharon
WA7SKG & N8QBX
2006 24' Cougar 5th wheel
2005 F350 Long Bed Crew Cab
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