The voltage changes by turning the wheel from 3.3V to 4.8V. Five consecutive clicks will turn on or off the battery. Two consecutive clicks activate the Preheat Mode; the battery will be on for fifteen seconds with 2.OV before automatically shutting off.
The Cookies Slim Twist vape pen battery charges with included eGo-USB charger, it connects to the AC/USB adapter with a maximum output of 5.OV/O.5A. The battery has low voltage, short-circuit, and overcharge protection.