... High energy density 2.Pollution-free 3.Long cycle life 4.No memory effect 18650 740mAh 3.7V Lithium Battery Product Description ... to make battery more stable 4. Certifications: CE, UL, UN, RoHS, ISO9001 5. Long life cycly, No memory, environment friendly Advantages: ... voltage for single battery cells 3, Pollution-free 4, Long cycle life 5, No memory effect 6, Capacity, resistance, Voltage, platform ...