The CoolFire Mini packs a 1300mAh integrated battery and 40 Watts of precise output into a comfortably compact 63mm tall device. A bright OLED clearly displays all your important vaping information, and safety features such as integrated overheat, over-discharge and charging safety protection allows you to vape with peace of mind. The Coolfire Mini comes with Innokin's popular 2ml e-liquid capacity SlipStream tank which makes for a great vaping set-up.