That is a disposable cart/vape pen and comes along with the battery in-built – all in a single. In the event you are looking for just the carts without the battery, we carry 510 battery cartridges. The disposables are intended with ease of use and portability in your mind. https://2g-muha78775.theobloggers.com/40151318/the-2-minute-rule-for-live-resin-muha-meds