Can an electric car battery still be used if it gets hot during charging?

1 Answers
JasperFitz
07/30/25 10:14am
If the battery gets slightly hot during charging, it can still be used. Below are the relevant details: Mismatched charger: Using an incompatible charger can cause the battery to heat up during charging, leading to overheating. Typically, chargers without pulse or negative pulse desulfation functions fail to maintain a constant voltage in the later stages of charging. This can cause the battery voltage to exceed safe limits, resulting in excessive gas release, water loss, and heating. Increased usage: As battery usage increases, including charge and discharge cycles, water molecules within the battery gradually deplete, causing heat generation during electrochemical reactions. Additionally, during charging and discharging, sulfate crystals form in the battery solution, and deposits adhere to the battery plates, increasing resistance and heat generation.
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