The EGO-T Battery (EGO-Twist) uses a Variable Voltage system that allows the user to change the output volts of the battery by Twisting a dial at the base. They are true 0.1v increments. 5 click on/off switch. All EGO Series Atomizers, Clearomizers, Cartomizers, and Glassomizers will fit this battery.
For more EGO Battery choices, go to EGO Batteries
. Or if your not using an EGO eCig, check out all our ECig Batteries Here