Welcome To Our Store:Item: Ultrafire 18650 6000mAh Li-ion BatteryRated Voltage: 3.7VCharging Voltage:4.2VSize: 65mm (Length) x 18mm (Diameter)Max Capacity: 6000mAhRechargeable Times: over 1000 timesCharge time: about 5 hoursNo memory effectApplication:Toy，Flashlight，Camera，And other Electrical equipment