Build in battery vape mods are the easiest vape mods to use. As the name suggests, the battery is built-in and is rechargeable. They could offer features such as adjustable power/wattage control or a display to provide some information. If you are after a simple and easy to use vape mod with your vape tank then a built-in battery vape mod is a perfect choice. Shosha provides a great selection of built-in battery vape mods to cater to your needs.