KFD 12V-24V Car Charger DC Adapter for Resmed AirSense 11 & ResMed AirMini DC Converter CPAP Machine Power Cord 20V PD USB C to Cigarette Lgihter Convert Cable for Power Station/Bank/Battery Backup

If it's the Resmed Airsense 11, the adapter is https://www.amazon.com/KFD-12V-24V-AirSense-Converter-Cigarette/dp/B0CGTGYDWY This adds a cigarette lighter adapter that makes it more versatile. You can then get a cigarette lighter socket with alligator clips and use any 12V battery along with most jump box type things. I have a few 65W USB-C battery banks and I get 6-7 hours with no heat or humidity. If you travel you can just get a USB-C power adapter that can run all your laptops, phones, charge your power banks, and run your CPAP. I also have a 3 port 140w cigarette lighter charger in my car and I'm able to recharge the power banks while camping and traveling with just the bare minimum runs in the car to get supplies, visit attractions etc