Just a simple follow up. A great source of information on CPAP on batteries is this thread by CapnLoki: http://www.cpaptalk.com/viewtopic/t114012/Choosing-a-Battery.html Edit to add: also, every listed xPAP machine in the ResMed Battery Guide shows that they stay under 2A if using DC-DC converter an...

One issue with providing Power through USB-C PD is that it can supply limited power/current at 12V. To meet the specifications of the Dreamstation, a power supply needs to supply 12V at 7 amps. USB-C PD is currently (ha!) limited to 3 or 5 amps. So it’s not as simple as just hooking up a USB-C power...