Replacing a battery in a smoke alarm detector

http://www.VideoJoeKnows.com It's a good idea to replace a battery in a smoke alarm detector after "this" many months. Not all smoke alarm detectors are the same as there may be 3 different ways on how to replace the battery........depending on which smoke detector alarm you may have. Watch "joe" as he shows you how to replace a battery in a smoke alarm detector.
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