DIY BatteriesBy hackbyte in CircuitsTools84932 Suggested Projects Stuff how to build batteries (primary cells) and/or maintain accumulators (secondary cells).Unpublished!by Gursimran Singh 425 in ElectronicsArduino Battery Voltage Indicatorby chienline in ArduinoBuilding a "Baghdad Battery"by IanW in ScienceUnpublished!by Gursimran Singh 425 in GadgetsSmart Battery Charger (no Soldering!)by gfwilliams in GadgetsJoule Thief Battery Chargerby JoeBeau in ElectronicsFilm Canister Batteryby Cats Science Club in LEDsDIY Penny Batteryby bobdabiulder in ScienceHave an instructable you think should be included in this collection?SubmitSuccess!