Why A Dead Alkaline Battery Bounces!

This test works equally well for AA, AAA, C, D and 9 Volt alkaline batteries. Batteries are regularly frozen when left outdoors in the winter. If a good alkalin battery is frozen, the electrolyte will stiffen sufficiently to cause a bounce. This is a room temperature test only. It is our understanding that the following chemical reactions occur and helps to explain our observations. A non-rechargeable alkaline battery begins life using zinc powder mixed into a gel