Crystal Battery
Batteries Activated by Water
Copper-Alum-Magnesium batteries activated by water. The cell can sit dry on a shelf for a lifetime until needed. It simply will dry out and stop generating voltage. It is not charged and does not require charging. These cells are good for powering emergency lights. LED's are adequately operated using a fly-back type circuit, such as joule thief or joule ringer. This easy to make battery was shared and shown with no prior art many years ago by John Bedini.
Copper-Alum-Magnesium batteries activated by water. The cell can sit dry on a shelf for a lifetime until needed. It simply will dry out and stop generating voltage. It is not charged and does not require charging. These cells are good for powering emergency lights. LED's are adequately operated using a fly-back type circuit, such as joule thief or joule ringer. This easy to make battery was shared and shown with no prior art many years ago by John Bedini.