It is a disposable cart/vape pen and includes the battery in-built – all in one. Should you are looking for just the carts without the battery, we carry 510 battery cartridges. Battery Capacity – Ordinarily falls between 250mAh – 400mAh (milliamp hours) enabling a number of hundred drags in advance https://marcoqxvog.bloginder.com/33606437/buzz-bar-disposable-for-dummies