The main device I charge is my cell phone.  I use it in conjunction with my InReach Mini for navigation & communication with outside world.  I resisted communication capabilities for a long time, until the time came when I had relatives/close friends with threatening health situations back home.  Don't have so many of those situations going on these days. It's now more about having "spoiled" those outsiders with the notion that I AM reachable.

I may start taking my Kindle along.  It's far lighter than the danged thick books I usually bring.  Since I'm now committed to bringing solar panels & a Goal Zero battery, I figure "What the heck, why not?"

Yeah, I know.  I've opened Pandora's Box.

Jimbo   8-)