Aluminum Can, Saltwater and Charcoal Battery
This instructable shows how to create a simple aluminum air battery from a soda can and a piece of charcoal from the backyard BBQ. This instructable is being published early but I hope to combine this device with a joule thief and an LED to provide a rechargeable backyard lighting system that can be...By: egbertfitzwilly Source: Instructables: exploring
