Joyetech eGo Twist Battery 650mAh
Multiple voltage battery where you can control the strength of your smoke by increasing or decreasing voltage. 650 mAh power, dial on the bottom to range voltage from 3.2V-4.8V, features standard 510 threading to fit most vapor accessories, lockable: Press the button 5 times within 1.5 seconds to lock or unlock the battery. The battery LED will blink when switching modes. When the battery is in lock mode, the button is disabled and the battery will not power an atomizer or cartomizer.