Rechargeable Lithium Battery Link
Since most rechargeable lithium batteries are 3.7 volts or multiples series thereof I found this article to be useful https://learn.adafruit.com/li-ion-and-lipoly-batteries/voltages
Forum Discussion
many of my camera lithiums are 3.6 volt but got lots a AAA,AA,D etc. that aren't.
bumpy
bumpy
