He modified a charge controller that appeared here several years ago and gave it the ability to be voltage selectable. The pictures show schematic and boards.
http://www.anotherpower.com/gallery/zubbly?page=35
good luck, Dave in iowa
What part of Iowa? I am up here in the NE. Just a stones throw from MN.
TomW
"Education consists mainly of what we have unlearned."--Mark Twain[ Parent ]