Potion That Actually Works! In this project we’ll show you how to turn a USB battery pack into Pokemon Potion. In the Pokemon Go game, Potion is a medicine used for treating wounds. It’s shaped like a spray bottle and restores your HP. If you play for a while, you know your phone’s battery won’t last all day, but this little DIY prop can actually revive your phone! Visit the Adafruit shop online: adafruit.com