Lithium Battery DIY Diagnose Repair kit 48V 60V 72V 84V BMS 13S 16S 18S 20S 22S

How to Use

Step 1 :
Disconnect cell series cables and plug on the tester board (support 2.0mm & 2.54mm pin space)

If one LED does not light up, it means this series of battery cells has developed a problem which need to be replaced.
If all LED light up, it means the BMS has developed a problem.

Step 2:
Disconnect this battery series and using the battery holder to simulate the cell series to be replaced.

Use the tester board to check of LED lights up
Use the battery charger to check it the battery take charge

Step 3:
Weld the new battery cell