Joyetech eGo ONE Battery
The eGo ONE battery is charged via the micro USB port, and it can also work as a pass through device for simultanious vaping and charging. The battery must be partially charged before using it in this way. Press the power button five times quickly to turn the device on or off. The eGo ONE has a built in LiIon rechargeable 2200mAh battery. The device has a 15 second cutoff, low voltage warning, and short circuit protection.