... ,RoHS,SGS certificate OEM/ODM Rechargeable Electric Bicycle Battery 36V 10Ah LiFePO4 E-bike Battery and Battery PackSpecifications: Nominal Voltage36VNominal Capacity10AhInternal Resistance≤75mΩ1500 ... formula has superior tolerance on character of charge and discharge.6.Completely battery certificates ISO9001,ISO14001,BATSO ,CE,UL,ROHS,UN38.37 ...