The Stick V9 Kit with TFV8 Baby V2 and Stick V9 Battery by SMOK are far above the rest. Incorporating up to date technology and top performance, expect nothing but the best from these devices. The Stick V9 Kit with TFV8 Baby V2 and the Stick V9 Battery both implement pentagon shaped single firing systems for easy to use functionality and enabling a direct-based voltage output which correlates to the current state of battery. Both also can be charged via micro USB port, implementing intelligent battery life indicators and blinking LED lights. Accompanying the system is a pair of 0.15ohm Baby V2 S1 Single Mesh Coil and the 0.15ohm Baby V2 S2 Quad Coil, bringing out full-bodied phenomenal flavors. The Stick V9 Battery includes the Stick V9 Max Sub-Ohm Tank, a 40000mAh internal battery with an 8.5mL juice capacity and 28mm base diameter. While the Stick V9 with TFV8 Baby V2 has a 3000mAh internal battery, a 5mL juice capacity and 24.5 base diameter.