Diamond Vape Battery use and charging instructions; First attach the battery and charger together by turning clockwise, once connected plug into a USB power source. The light on the charger will remain red while in charging mode, once fully charged the light will turn green. Simply disconnect the USB from power source than turn the battery counter-clockwise to remove charger. Attach the Diamond Vape cartridge to the battery by turning clockwise. The Diamond Vape battery has a 5-button press safety feature. Simply press the button 5 times to activate the battery. Press the button 5 more times to deactivate. The Diamond Vape battery also has a 10 second safety shut off to protect your cartridge. This is a varible voltage battery (3.3v-4.8v) 510 thread.