This product is a rechargeable lithium electric bike seat post battery pack designed to provide power to electric bicycles. The battery pack uses 100% new Li(NiCoMn)O2 18650 cells, which have a nominal voltage of 36v or 48v and a nominal capacity of 10-20ah. The outer case of the battery is made of aluminum, and its dimensions are 257*1501*47mm.
The battery pack can be charged using a standard charge method, which involves a constant current of 0.2C and a constant voltage of 42V with a 100mA cut-off. Alternatively, it can be charged using a fast charge method, which involves a constant current of 0.5CA and a constant voltage of 42V with a 100mA cut-off. The battery can be discharged using a constant current of 0.2C with an end voltage of 36.4V.
The battery pack weighs approximately 3.5KG/4.5Kg, has a continuous discharge current of 20A, and a peak discharge current of 60A. It has a cycle life of 500 times with DOD80% and comes with a BMS function that provides over-current protection, over-discharge protection, over-charge protection, short-circuit protection, and balance.
The storage temperature range for the battery is between -10-40℃ with a relative humidity of 45-75% and a pressure of 86-106KPa. This rechargeable lithium electric bike seat post battery pack is an ideal solution for those who want a reliable and long-lasting power source for their electric bicycles.