What Causes Battery to Get Hot During Charging?

1 Answers
DiAvery
07/30/25 3:06am
Here are the reasons why a battery gets hot during charging: 1. Poor quality or mismatched charger: Using a mismatched or low-quality charger can cause excessive current, increasing the heat generated during battery charging, leading to overheating. It is necessary to replace it with a high-quality charger that matches the battery. 2. Battery issues: For batteries used for more than two years, if they are not charged correctly, overcharging can easily cause water loss in the battery, resulting in overheating during charging. 3. Solutions: If the battery's electrolyte is insufficient, you can add an appropriate amount of distilled or purified water. If the battery overheats due to aging, short circuits, or broken cells, it is recommended to replace it with a new one directly.
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