Extreme temperatures push battery chemistry to its limits. Delivery trucks stall on frozen highways, solar trackers in polar regions slow their rotation, and emergency lighting systems fail precisely when conditions turn dangerous. Behind each of these scenarios sits a familiar culprit: a battery th
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Sub-zero temperatures punish standard lithium batteries. Capacity drops, internal resistance climbs, and charge cycles that worked fine in mild weather suddenly stall out or trigger safety cutoffs. For engineers designing systems that operate in freezers, unheated enclosures, or outdoor installation
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