Box Vape Kits are a style of Vape Device which is of a more box shape in comparison to a pen or a pod device. The benefits of Box Vape Devices tend to be the battery life, durability and the function the vape can perform. Devices such as the GeekVape Aegis Mini is a box style device which has an internal battery with a 2200mAh capacity which is more than double of most pen style devices. 

Box Style devices such as the Drag 3 benefits from external batteries. So once the battery cell has run out, you can simply replace the batteries with charged ones and re-charge your used batteries without waiting for them to charge.