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What's wrong with electric vehicle chargers getting hot during charging?

Article Source：Kinri Energy | Author：Kinri Energy | Issuing Time：2024.05.10
Reasons and solutions for electric vehicle chargers becoming hot during charging:


vehicle charger

1. Poor quality and malfunction of the charger. Some people, in order to save money, may purchase miscellaneous and non guaranteed quality chargers, which can easily cause the charger to overheat. In addition, damage to internal components of the charger, blockage of ventilation openings, etc. can also cause abnormal temperature of the charger, and it should be replaced in a timely manner.

Solution: It is recommended to replace the charger with a high-quality one.

2. Using the wrong charger. Chargers should not be used indiscriminately. Use a 60V battery charger to charge a 48V battery. Although charging is fast, both the charger and the battery will be very hot, which can easily lead to battery aging and damage. In severe cases, it may also cause explosion accidents. Do not take it lightly.

Solution: It is recommended to use the original charger.

3. Charging method error. When charging, do not charge in the rain or under strong light, as this can easily cause the charger and battery to overheat. In severe cases, it may also cause the battery to explode. Do not act recklessly.

Solution: It is recommended to use the correct charging method.

4. Battery aging. After the battery ages, only a small portion of the input current from the charger enters or cannot enter the battery. The owner may not see any abnormalities on the surface, but the temperature between the charger and the battery may be relatively high, even hot. At this time, the power should be unplugged in a timely manner, the cause should be found, and the problem should be solved before charging.

Solution: It is recommended to go to a professional repair station to replace the battery.

5. The battery charging time is too long. Do not charge the battery for a long time. Overcharging can cause a large amount of gas to flush the battery's plates, causing the active substance to fall off, causing the charger to overheat, and ultimately reducing the battery's service life.

Solution: It is recommended to go to a professional repair station for inspection and repair.

6. Lack of electrolyte in the battery leads to excessive internal resistance, resulting in low charging conversion efficiency and overheating during charging;

Solution: It is recommended to add electrolyte.

7. The radiator of the charger is damaged. When using the electric vehicle charger to charge the electric vehicle battery, the electronic components inside the charger will heat up and generate heat during operation. If the radiator of the electric vehicle charger does not rotate, it will not be able to dissipate heat and the heat cannot be discharged in a timely manner. Excessive temperature of internal or electronic components.
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