How to replace the battery pack

When the battery pack reaches the end of its service life, it must be replaced. The replacement of the battery pack must be performed by a professional qualified as an electrician. The battery pack replacement site should be ventilated and dry, and there should be no water or oil traces on the ground, and no high-voltage equipment around; operators must wear insulated gloves (withstand voltage above 600V), protective masks, and insulated rubber shoes. They cannot carry any metal objects. When disassembling the battery pack in the car, you should first cut off the power switch of the car, and cut off all the connections between the battery pack and the external electrical equipment of the battery. If the electric vehicle is equipped with an emergency maintenance switch, simply pull the handle of the emergency maintenance switch to the power-off position. Then remove the connection between the power lithium battery and the battery management system (BMS), high-voltage distribution box, etc. (Special reminder: After the high-voltage wiring is removed, the exposed metal parts should be wrapped with insulating tape). Finally, use a special lifting device to remove the battery pack steadily, and no impact is allowed. When installing the battery pack, you should first check the tightness of the battery pack and the battery box tray; after the battery pack is installed on the car body, you should visually check whether the joint between the battery pack and the car body fits tightly; then conduct a leakage test on the battery pack, and the test conforms to the technology After request, properly install the voltage, temperature and current collection wires and high-voltage wiring according to the specifications; finally, check the connection points of the battery pack, and then connect the battery pack to the external electrical equipment to avoid damage Batteries and electrical equipment. Disclaimer: Some pictures and content of the articles published on this site are from the Internet, please contact to delete if there is any infringement. Previous: What is the difference between battery series and parallel