1.Power of your motor – Working voltage and current
2.Dimension -Space caculation and configuration design
3.BMS – According to charge and discharge voltage,current,heat evacuation and other functions we build a BMS
4.Battery cells chosen – 18650,26650,32650,li-po,high rated lipo or other cells
5.First model/sample built – Out-look inspection and testing
6.Out shell – ABS,Aluminum or Just PVC
7.Second QC – Battery pack formation and re-test
8.Volumn assembly