TheJoyetech Exceed NC Batteryis a finely engraved battery with ergonomic design. Powered by built-in 2300mAh battery, the Exceed NC can provide powerful and stable vaping experience to you. It also applies two optional modes: direct output mode and constant voltage output mode. When powered off, you just need to press the fire button for a while until the light is on. Then continue to click the button to switch between direct output mode (white light) and constant voltage output mode (orange light). Just get the Joyetech Exceed NC now!