This is totally doable. Just depends on how much you want to spend and how much weight your able to carry. That and the severity of your apnea if it's not treated at all. (only saying that as a worse case scenario if your plan fails) Is your apnea bad enough that a few nights with out treatment cou...

I know next to nothing about charging batteries (brand new owner of the Freedom battery for my Resmed) - but Amazon does sell solar chargers for CPAP batteries. This one says it's for the Transcend: https://smile.amazon.com/Transcend-CPAP-Portable-Solar-Charger/dp/B00F9BCH1A/ref=sr_1_4_a_it?ie=UTF8...

We have a forum member who loves to do the rafting and rapids thing..... raftergirl She used some type of battery system and solar for recharging. When you have time you might start reading some of her threads to see what she did. I don't remember enough of the particulars to help. http://www.cpapt...