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Old 06-16-2021, 11:45 AM
'ol shooter's Avatar
'ol shooter
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Oct 2010
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It happens because you aren't changing them when you should, once a year when Daylight Savings starts. I use a 10 year lithium 9v battery in my stand alone unit, the alarm system's detectors all use lithium 123's that seem to last 6 years at least.
Bob B.
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