This product is a 48V lithium-ion e-bike battery contained in an aluminum case. The battery cells used are 100% new and have a chemistry of Li(NiCoMn)O2 18650. It has a nominal voltage of 36V or 48V and a nominal capacity of 15Ah, 17.5ah, 12.8ah or 14ah. The battery cell used is a famous 18650 cell with a capacity of either 3200mAh or 3400mAh. The battery configuration is 13S5P and the battery management system (BMS) is 16A or can be customized. The battery has a size of 40mm X 100mm x 430mm and contains 52 18650 cells, with a weight of 4.5KGS. The discharge cut-off voltage is 30V and the charge voltage is 42.6V. The battery can maintain 80% of its power after 800 cycles, with a working temperature range of 20 ~ 60 Celsius.