Welcome to "Make A Battery" where you can make a battery out of safe, everyday items from around your house, ranging from a hotdog to a potato, using over 700 combinations.
This is a special calculator which will give you the polarity and voltage for your combination of household parts used, along with some handy tips on how to produce more power when required.
Ideal for any student science project, survival or prepper knowledge, or just a fun way to spend some time with the family.
Tested on iPhone 4, 5, 6, 6s, 6 Plus, iPad and iPad Pro for iOS 9.0 or later