KangerTech EVOD VV / EVOD Twist 650mAh Variable Voltage battery:
Variable Voltage output: Voltage can be adjusted from 3.2V to 4.8V. You can choose the voltage by spinning the knob at the bottom.
Short Circuit Protection: When a short is detected, the battery will shut down until the short is removed.
5-Click protection: Generally, the battery is shipped in the off position. In off position, it will not function even when pressing the button. To turn the battery on, press button 5 times within 1.5 seconds. You will see white LED flash. To turn off battery, press button 5 times within 1.5 second as well, the white LED will flash! "5-click protection" can protect the battery from being accidentally activated. No more firing in your pocket!
Atomizer protection: If the button is pressed for 10 seconds, the battery will shut off until the button is released.
Low Voltage Protection: When the battery voltage is lower than 3.3v, the battery will shut down.
Over-Discharge Protection: The device will monitor the battery voltage and automatically turn off when the battery is discharged, preventing damage to the battery by overly depleting it. The LED will blink 5 times indicating that a charge is need.
How to adjust the output voltage?
There are 9 grids on the knob at the bottom, and each represents 0.2. Spin the knob in a clockwise direction to increase output voltage and spin the knob in anti-clockwise direction to decrease output voltage. High output voltage gives more vapor.