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QB40Z50 R1电池组 可以充电,但只连接电池组设备不能正常开机



QB40Z50 R1电池组4并3串(电池组之前芯片是BQ20Z75,现在想用QB40Z50 R1

现象:

1、设备只连接电池组不能开机

2、设备连接电池组和充电器或电源,可以开机;等设备正常运行,去除充电器或电源,电池组可以给设备供电,充电正常!

3、关闭设备,在开启电池组无法供电,需要连接充电器或电源才能正常开启

截图

 


 

GG文件

8880.XIN A1.gg.gg.rar

 

 

刚接触这个芯片,如有不周请见谅!望解答尽量详细些