Frequent Charging Failures
Difficulty: During use, lithium batteries may experience abnormal charging situations, such as inability to charge, slow charging, and severe heating during charging. The causes of these problems are quite complex. It may be due to loose charging interfaces, damaged charging cables, faulty chargers, malfunctions in the Battery Management System (BMS), or damage to the internal cells of the battery. For example, after long-term use, the charging interface may have poor contact due to oxidation, wear, etc., resulting in the inability to charge or unstable charging. Unstable output voltage or current of the charger can affect the charging speed and cause the battery to heat up.
Solution Process: Regarding issues with the charging interface and cable, regularly inspect the charging interface and cable. If the interface is loose, tighten it in a timely manner. If the outer skin of the charging cable is damaged or the internal wires are broken, replace it with a new one. For charger failures, use tools such as a multimeter to detect the output voltage and current of the charger. If they do not meet the standards, repair or replace the charger. When suspecting a malfunction in the battery management system, use professional diagnostic equipment to read the fault codes of the BMS, analyze the cause of the fault, and repair or replace the damaged BMS module. If the internal cells of the battery are damaged, send the battery to a professional maintenance agency. Use professional equipment to detect the damaged cells and replace them. At the same time, establish a complete maintenance system for charging equipment. Regularly clean and maintain the charger, charging interface, etc. to ensure the normal operation of the charging equipment.
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