12v 4.4Ah golf car battery 1)Long cycle life 2)Low internal resistance 3)With PCM protection ... , High energy density2, High working voltage for single battery cells3, Pollution-free4, Long cycle life5, No memory effect6, Capacity, resistance, Voltage, ... design and develop Li-ion battery according to your product work performance & structure apprearanceProduct Picture: Long cycle life 12v 4.4Ah golf ...