Get yourself a can and some waxed string....we'll talk.![]()
OK, I have a commode and some waxed dental floss... but not enough to reach Kali!

And you can just build your own batteries after your left-over batteries die...
Battery Builder's Guide by Phillip Hurley
Good info. There will always be individuals that will provide what the folk need/want to survive, for a price. I've been to more than several parts of the globe where the ingenuity is absolutely remarkable!