... , Polymer Li-Ion, Battery, Lifepo4, Ni-Cd, NameCylindrical lithium ion batteryModel18650Dimensions18 x 65mmVoltage3.7VWeight45gCapacity1400-2600mAhCycle life500 timesCharging voltage4.2VDischarging ... . CE, FCC, RoHS, ISO 5. OEM, ODM L18650 lithium ion Battery Model Number: Lithium ion 18650 1, Ambient Conditions Temperature Range - Charge ...