It is a disposable cart/vape pen and comes along with the battery built-in – all in a single. In the event you are looking for just the carts without the battery, we carry 510 battery cartridges. Whether you are new to vaping or possibly a seasoned fanatic, this product https://andywmdrf.alltdesign.com/2g-muha-things-to-know-before-you-buy-53114591