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Batteries in mains powered AICO alarms

Discussion in 'Alarms, CCTV & Telephones' started by Jupiter01, 18 Oct 2021.

  1. Jupiter01

    Jupiter01

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    Do the 9v batteries ever get used if there are no power outages?
    Is there any advice on when they should be replaced and would there be any visual or audible alert for this?

    My interconnected smokes have had the same batteries for around 4.5 years.
     
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  3. CBW

    CBW

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    If batteries are depleting, then usually a bleep iirc once every minute, but check the instructions for recommendations.
     
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  4. secureiam

    secureiam

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    The manual gives advice, I believe 10 year lithium's are possible but like most things it depends on usage.
     
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