Long Cycle life 3.7V 18650 Li ion Battery 1 1400mAh~2400mAh 2 D18mm*H65mm ... CE,ROHS,MSDS Long Cycle life 3.7V 18650 Li ion BatterySpecification Nominal Voltage 3.7VRated Capacity1400mAh~2400mAhCharge Voltage4. ... No memory effect, can be charged and discharged anytime;5) CE,ROHS,MSDS certificate guarantee eco-friendly use;6 ... welcome for long-term cooperation! 18650 3.7V Li-ion rechargeable battery