Mod: Turn a Cheap Flashlight Into a High End Light Beamer

Oldie but goodie, Kip Kay turns a cheap $10 flashlight into a expensive $100 police light with only a new bulb and a quick battery mod.

Electronics: Basics of Batteries

Chip designer, inventor Jeri Ellsworth bring us a great video: A to Z of Electronics the basics of how batteries work.

Simple 12 Volt Battery Hack

You’ll be surprised at what’s inside certain types of 12v batteries and what you can do with them!