Fix'em & Show'em! Two 1970s vintage Polish flashlights with a once popular 3R12 battery - both need simple fixes, and one ends up with an unexpected twist.

0:00 New Intro! 1:25 The 3R12 Battery, Teardown and Story 4:33 Green Signaling Flashlight 8:40 Blue Flashlight 13:00 Battery and Switch Fix 14:00 Oops! 15:00 Looking for Explanations 17:18 Afterword

Support me on my Patreon page at https://www.patreon.com/KeritechElectronics or via PayPal https://paypal.me/keritech Instagram - https://www.instagram.com/KeriSzafir Hackaday - https://hackaday.io/keritech

#electronicscreators #keritechelectronics