Minifit-S Kit features 420mAh built-in battery with 12W constant wattage. It provides auto/button activate 2-way draw for your options. The remaining battery indication and power on/off function make it more convenient to use. Equipped with USB Type-C charging, Justfog Minifit-S Kit is easy to charge. In addition, it has 1.9ml Pod capacity and easy bottom filling system. It also features built-in 0.8ohm Mesh Coil for great flavor. Just get it!