... for single battery cells3, Pollution-free4, Long cycle life5, No memory effect6, Capacity, resistance, Voltage, platform time consistency is good7, ... , Factory price& High quality9, Good consistency, low self discharge10, Light weight, small sizeBattery Quality: 1. Cells: A grade cells to ... : CE,UL,FCC, RoHS,ISO90015. Long life cycly, No memory, environment friendly We can provide 24-72V 10-100AH power ...