Contrary to what you may have heard, storing batteries at freezing temperatures will actually greatly extend the amount of time they hold a charge – but only for some kinds of batteries. Read on to see which batteries don’t need the meat locker treatment and which benefit.
Freezing extends the shelf life of alkaline batteries by only about 5%); however, keepingNiMH and Nicad batteries in the freezer can boost battery life by an amazing 90%. If you live in a very hot climate (a shout out to my DJ friends in AZ and CA!) or are storing your batteries in a very hot location, it may be worthwhile for you to store your alkaline batteries in a refrigerator instead.