+1 vote
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Ever wondered how to make your batteries last longer or how to avoid sudden device death? Check out these tips.  
https://community.smartthings.com/t...899lw
Ever wondered how to make your batteries last longer or how to avoid sudden device death?

1 Answer

+1 vote
by (1.6k points)
 
Best answer
I have an Iris door sensor (cr23 battery) in my chest freezer that's typically at -5F, installed in November of 2016 and just recently got to 1%! It has lasted much longer than expected at that temperature.  
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