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CPAP Machine Shutting Down RV Inverter: Solutions for Boondocking
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CPAP Machine Shutting Down RV Inverter: Solutions for Boondocking

Somewhere between my toolbox and my coffee, I'm determined to solve why my CPAP machine keeps shutting down my RV inverter every single night. I have a 2023 Entegra Vision 27a with 2 AGM batteries that show 12.6v at rest, which I think is good? My CPAP has a humidifier and heated hose, and every night the inverter shuts down before morning, leaving me without a full night's sleep.

I'm not sure if this is happening because my batteries can't handle the power draw, or if there's something wrong with my inverter setup. The CPAP seems to use quite a bit of power with all the features running. I do have a 12v auxiliary power cord for the CPAP but no DC outlets installed in my coach.

Would adding a 12v DC outlet and running the CPAP directly off the batteries help solve this shutdown issue? Or am I missing something else entirely? Any guidance would be really appreciated! …more
Robert, RV Mechanic
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