... Injection Technology to make battery more stable4.Certifications : CE,UL,FCC, RoHS,ISO90015. Long life cycly, No memory, environment friendly Advantages: ... 1, High energy density2, High working voltage for single battery cells3, Pollution-free, ... , Bulk pack is available 36V 10Ah E-bike battery with Al case, Charger, BMS; 20A discharge current