Tip of the Day: Easy Test for Power in Batteries
If you would like to weed out those old batteries in the junk drawer, but don’t want to be wasteful in case there is some life left in them, here’s an easy test: hold each battery about 6″ above a flat surface like a counter-top or table. Drop it with the negative (flat side) end down. If it bounces and falls over, there is still power in it. If it continues to bounce it is dead or will probably be so soon.
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