... battery more stable4.Certifications : CE,UL,FCC, RoHS,ISO90015. Long life cycly, environment friendly Advantages: 1, High energy density2, High ... battery cells3, Pollution-free, environment friendly4, Long cycle life; It extends its cycle life up to 800 cycles5,Capacity, resistance, Voltage, ... . Small medical equipment and portable equipment E bike battery pack with 36V 10Ah, 15A operating current