Powered by an 850 mAh rechargeable lithium-ion battery with haptic feedback and USB-C charging, the Dr. Greenthumb's X G Pen Micro+ Battery and its unique smart-chip technology provides controlled and consistent heat application that will not burn or overheat precious concentrates.  Also equipped with Cartridge Recognition Technology, the Micro+ Battery applies distinct power outputs that results in the optimal vaporization experience when used with the Micro+ Tank.