The Kanger SUBVOD Starter Kit is based upon the popular EVOD Battery design. The Kanger SUBVOD provides a sub-ohm experience while maintaining the popular pen-style form. The TOPTANK Nano is capable of holding 3.2ml of liquid while featuring an airflow control valve, and is easily filled using the top-fill design. Can be bottom filled as well. The Kanger SUBVOD battery is designed for ease of use, handling, and portability, featuring an integrated 1300mAh battery chargeable via Micro USB cable along with single button operation.