If You Store Batteries in a Refrigerator Will It Extend Their Battery Life?

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Yes, heat excites electrons, and most batteries discharge at room temperature.
There are downsides to storing batteries in a refrigerator though. It takes a few minutes to warm up to operating temperatures, and if you don't let it warm up it can harm electronic devices by the moisture on the battery from the refrigerator.
- John Baskin

Information from: Explaining The World's Greatest Myths." How It Works 16 June 2011. Print. http://www.wisegeek.com/do-batteries-really-last-longer-if-they-are-stored-in-the-refrigerator.htm