Best way to run cpap while camping?

[superj]

Google says I can get two 100 Watt Solar panels, a solar charge controller, and a 100 amp hour battery, and that'll run a cpap machine for 8 hours.And then it'll charge in a 6 hour day.What do you guys think?

I need a set up for when when I go to big bend

 

[superj]

I tried one of those online solar panel set up deals where you put all your information in , and that's what it told me