I inquired about my Remstar plus machine being used on DC current.
I was told If my machine had the DC female receptical in the back next to AC plug-in I could use an adapter they had. They wanted $61 for it. I asked how much current it would pull and the person said if you did not charge the battery for three days it would last just about that, three days!
I did go to the Remstar web site and find the DC adapter for around $25.00.
We have not got our new 2006-2720 yet so I can't give any more detail than that. Any one who thinks they have sleep apnea get it checked out! You will sleep better and feel much more rested after you have had a good nights sleep!
Soon to be a 2720 owner.