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Technology and related articles and discussion
How long does a hardwired smoke alarm typically last on battery during a power outage and what limitations does it have?
submitted 1 year ago by [deleted] from self.technology
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[–]package 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 0 fun2 insightful - 1 fun - 1 year ago (0 children)
If its anything like mine they can't even last a year with a 9v and no outages, and then indicate with extremely short, spaced out beeps that are impossible for human hearing to locate despite having a tiny green led they could use for such a purpose.
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[–]package 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 0 fun2 insightful - 1 fun - (0 children)