If you own a Grizzly Honey Dab Pen then this spare battery will be perfect for those long days out where you normally have to worry about taking out your charger or rationing your use because you have no charging facilites. It is a standard replacement for the original and has the same capacity etc. It's also a great option for if you have had your Honey Dab Pen for a while and the battery has started to lose some of it's capacity.