According to expert research: using lithium batteries in low temperature environments for a short time, or when the temperature is not low enough, will only temporarily affect the capacity of lithium batteries ion, but will not cause permanent damage. However, if used for a long time in a low temperature environment or in an ultra-low temperature environment of -40°C, the lithium-ion battery may be "frozen" and cause permanent damage.
In addition, charging lithium-ion batteries at low temperatures will precipitate metallic lithium on the surface of the battery anode, and this process is irreversible. This will cause permanent damage to the battery and reduce battery safety. Therefore, many lithium battery equipment has protection devices that prevent charging at low temperatures.
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