I just picked up a new 24V CPAP machine (ResMed AirSense 10). This replaced a 20 yr old machine that I ran off AC at home and 12V DC in the RV (used the 12v TV outlet in the bedroom). Two questions:...
I'd try the inverter that you have and if it works, then good enough. If things are running too warm or if there are issues, you might be better off just getting a small sine wave inverter as it would be more versatile than a specific DC-DC converter for the CPAP. Amazon has them for about $40.
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