Polywobblydriver
DIY
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My question is 'What battery do I use'? I am trying to to build a simple horn circuit for my wife's mobility scooter. My idea is to use a 6 or 12 volt motorbike horn, a battery and a switch in a simple circuit. I want something that is completely separate so it can be swapped between scooters. I do NOT want to mess with the existing wiring harness on the scooter. I don't understand all this 'Amps per Hour' stuff so I don't know what would be the smallest battery (in physical size) I could use. Could I get away with regular AA, C or D cell batteries?