What should I do if the voltage difference between two groups of batteries of Dongfeng Junfeng er30 electric vehicle is large?

Battery differential pressure balance can be used to repair instruments.

According to the online data of Zhongguancun, the battery differential pressure balance repair instrument can be used to balance the battery differential pressure. After the lithium battery is repaired, it can reach the differential pressure state when leaving the factory.

Dongfeng Junfeng is a subsidiary of Dongfeng Motor Co., Ltd., specializing in the production and sales of mini-cars.