Smoke Detector Troubles


Old 02-21-05, 07:32 AM
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Smoke Detector Troubles

I Had Hardwired Smoke Detectors That Kept Going Off In The House I Just Bought. I Finally Turned Off The Breaker Because They Would Not Stop. I Replaced Them With Hard-wired Battery Back-up. I Installed Them And Plugged In The Harness But Did Not Turn On The Breaker For The Power. I Used Lithium 10 Year Batteries, And Within 3 Weeks All The Batteries Have Died. Any Clue As To What Is Going On??
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Old 02-21-05, 09:42 AM
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I believe that the main source of power that the smoke detectors need is 110 volts. The battery in your smoke detectors are only for a back-up to a power failure. The "ten-year" lithium battery claim, I believe, has to do with the ability of the battery to store its charge. It's the "shelf life" so to speak. A standard battery, on a shelf, "dies" after a couple of years.The lithiums can go longer, hence the ten year claim.
When you use any battery, even the lithiums, its drains their capacity. The smoke detectors were constantly being powered from the battery and not the 110 volt circuit as they were designed for.

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