Thanks for the comments. I thought of talking to the dealer too. That's a good suggestion. I'm not using a $30 D/C to A/C inverter. I would be using a $28,000 D/C to A/C inverter (It came with a free car.) The inverter/outlet is built into my 2008 Jeep Liberty. Jeep says, "provides up to 150 watts o...

I will be taking a muli day driving trip and may want to sleep in the car for the night. Can I use the 110 volt AC outlet in my car to run my CPAP? Will I need to leave my car idling? Has anyone tried this? I would not be doing this very often so I do not want to spend anything on battery supplies.