shanshan luggage battery pack 36v 13ah 15ah 16ah 17.5ah rear rack carrier batteries with taillight

most of our battery packs are made up of authentic grade a battery cells from korea or japan we use samsung, panasonic or lg brand cells and and some use our brand cells. in every product link description, you can check which cells are built in the battery pack you are intereted battery management system is the the circuit board that protect your battery pack and make sure it is safely. we can customized battery according to your request. please tell us information like, voltage, capacity, size, motor power or more..syi