Quote:
Originally Posted by Taf
I think they might not like being subzero in a freezer. IPX3 is not that waterproof, and button cells voltage and currents drop at low temperatures.
Put it in a sealed plastic bag and only open the bag after the device has returned to room temperature, or condensation will form, finding any tiny leak that exists.
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Alkaline batteries don't like freezer temps, but Lithium are ok, Had to buy lithium AA batteries for my freezer probe.