Small flashing red lights and chirping sounds every 30 to 60 seconds can mean it’s time to change a smoke alarm’s battery.
However, as smoke alarm companies discovered, temperature plays a big role in how batteries perform. Hotter temps create less electrical resistance and amp up battery activity, while colder temps do ...
CHECK YOUR ALARMS  When was the last time you changed your smoke alarm battery? The end of daylight saving time is a good ...
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