This Harmony CBD Pen Battery is designed to be used with a Harmony CBD Vape Pen Cartridge. Simply plug into the vape cartridge and away you go. Its sleek, modern form has an auto-draw system that means there are no buttons to press.
Simply screw the battery onto the CBD cartridge and you are ready to vape. Each Harmony CBD pen battery is good for up to 500 puffs per charge and can be re-charged up to 500 times!