File:Batteries comparison 4,5 D C AA AAA AAAA A23 9V CR2032 LR44 matchstick-1.jpeg - Wikipedia
Hey, was looking to buy one of these old military signal pocket lights, but they all take 4.5V. Is there any way I could configure it to take a different battery? I'm
Amazon.com: Panasonic 1 Pro Power 3 LR 12 4,5V Block : Electronics