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In response to "tip: change all the batteries in all the alarms today [unless you recently did one] that way they will all die close to the same times" by peglegpete

Most of the smoke alarms were hooked up to the alarm system - it's wired in, there were no batteries. The one that was chirping was an old smoke

detector that was here before the alarm system, that had a battery in it. Hasn't been changed in years, since it wasn't really being used.

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