S18 Battery
Preheat & Adjustable Voltages Battery
* Battery capacity: 380mAh
* Diameter: 11mm
* Thread: 510 thread
Functions:
* 3 clicks to adjust voltages
2.9V -- Green 3.7V -- Blue 4.0V -- Red
* 2 clicks to preheat
1.8V, last 15 seconds, 1 click to cancel
