Quote:
Originally Posted by Bob Denman
Question: Are lithium batteries fussy about the temperatures in which they operate?
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The biggest concern is low temp charging. LiFePo4 should not be charged when the battery is below freezing. Batteries from quality manufacturers will have low temp protection to prevent the battery from accepting a charge when it is too cold. Note that it is okay to discharge below freezing, so you don't have to worry about suddenly losing power if it dips below freezing for awhile.