The iJOY Diamond PD270 TC Kit With Captain X3S Tank is powered by dual 20700 batteries and is compatible with dual 18650 batteries with the an adaptor. It is a high quality device featuring a tremendous maximum 234W output power with prismatic diamond-like appearance. As an updated version from Captain X3, IJOY Captain X3S is a 25mm subohm tank with XL juice capacity and unique 810 wide bore drip tip. It also features a convenient sliding top filling design and dual adjustable bottom airflow. The innovative X3-C1 0.4ohm and X3-C2 0.3ohm coils brings huge vapor and optimal flavor too.