About 3 years, it would seem. The battery that I put in the small clock on a shelf in the living room appears to have died just before 5 PM. I put that battery in nearly three years ago and haven’t had to change it since.
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About 3 years, it would seem. The battery that I put in the small clock on a shelf in the living room appears to have died just before 5 PM. I put that battery in nearly three years ago and haven’t had to change it since.