Battery Bounce Test: Guess the Charge Video Watch time Under 1 minute August 3, 2023 Image Ever wondered if that spare battery rolling around in the drawer is new or used? Alex Dainis demonstrates an electrifying experiment that reveals the hidden secrets of battery chemistry! In this video, she drops different batteries and analyzes their bounce heights to determine whether they're fresh or have been used. Will the new batteries bounce low, or will the used ones surprise us with their height? Topics Women in STEM Share