EGO style Twist Battery with 2 Click Preheat mode. Battery has the "5-Click Off" safety feature to keep it from accidentally being activated. Twist function (turning chrome end cap at end of battery) adjusts voltage from 3.2v up to 4.8volts. Intermittent lines are marked on end cap at each voltage setting. Note: Charger is not included (purchased separately) charges with a normal 420mah EGO USB battery charger.
Battery Capacity Choices:
350mAh, 650mAh, 900mAh, 1100mAh, 1300mAh
Each battery will typically last a full day or longer without needing to be recharged. Not manufactured by Joye, Joyetech, Vision, etc...