Battery Replacement

First Battalion Detroit firefighter Michael Joiner says he's seen many fires where there were no working smoke detectors. (WWJ/Beth Fisher)

Focus On Fire Safety: Replace Those Batteries In Your Smoke Detectors

Since you set your clocks back this weekend, it’s also time to change the batteries in your smoke detectors. The Detroit Fire Department is handing out free batteries for smoke detectors if you turn in your old ones.

WWJ Newsradio 950–11/03/2013

heart lifeline cbs

Heart-Powered Pacemaker Could Someday Eliminate Battery Replacement

A new power scheme for cardiac pacemakers turns to an unlikely source: vibrations from heartbeats themselves.

WWJ Newsradio 950–03/04/2012

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