First remove the battery case, put four screws around the case, use ascrewdriverto remove them, check where the circuit is broken, then use a lighter to connect it. The protective plastic outer sheath of the wire is burned off, leaving a sufficiently long copper core wire.
Use a screwdriver to loosen the screws and wrap the copper wire around the positive and negative screw heads. After packaging, tighten the screws with a screwdriver, then disassemble the shell as the original installation method. , use a screwdriver to reinstall the case screws, and you're done.
Precautions for lithium battery electric vehicles
Do not charge the lithium battery of electric vehicles in an environment where the temperature exceeds 40°. High temperature will cause the battery capacity to decrease.
Recharge in time: try to charge the lithium battery while you are using it to avoid charging the battery every time when it is under power. This can significantly extend battery life.
When the lithium battery of an electric vehicle is not used for a long time, the battery should be disconnected from the vehicle and the battery should be replenished with a little energy at intervals to avoid self-discharge of the battery. or excessive battery discharge due to power consumption of the protection board.