Precautions on the vehicle First point: The 48V lithium battery must be charged to about 70% of its capacity (voltage 49.5V) to start the car. Although low voltage can start, it can cause great damage to the generator (the battery level needs to be photographed and sent to me) The second point is that the vacuum filling method must be used for antifreeze filling. Ordinary filling and then using a computer to exhaust air can only exhaust the engine. There will still be air in the generator water channel, and poor heat dissipation will directly affect the lifespan of the generator. Especially when replacing with a new set of IGBT, the original IGBT power rate is low. If the antifreeze is not filled properly, The following: All components must be replaced
