BestFire IMR 18650 3500mAh 40A Rechargeable Lithiun Battery - Black

 Features:Height=<65.5mm,  Diameter=<18.35mmMax Discharge Protected Current: 40AMaterial: lithiumVoltage:  standard 3.7V,   fully charged 4.2V,   discharge 2.75VCharging time: 1000mA need around 3.5 hours ; 1600mA need around 2.2 hoursMax Continuous Current : 40AInternal resistance: 20 MillieuCapacity: 3500mAh (+/-10%)Top shape: Flat TopCircle Times: >1300 times with normal useWeight: 55g / each pcPurpose: E-CIG, flashlight , headlamp, audio equipment, notebook etc. Color Black Model 18650 3500 Quantity 1 piece Material lithium Cell Type Lithium Ion Battery Model 18650 Head Type Flat Top Mark Capacity 3500 mAh Measured Capacity 3200 mAh Voltage 3.7 V Rechargeable Yes Rechargeable Times Others,500 Built-in Protected Circuit Yes Over Voltage Protection Yes Short-Circuit Protection Yes Over-Charging Protection Yes Over-Discharging Protection Yes Mercury Free No Packing List 1 x Battery Dimensions: 0.71 in x 0.71 in x 2.56 in (1.8 cm x 1.8 cm