The iStick 50W is an upgraded version based on iStick series batteries. Powerful vapor can be generated due to the expanded range of output voltage of (2V-10V) or wattage from (5W-50W) with 4400 mAh battery capacity. It retains strong spring connector and wear-resistant stainless steel thread. Moreover, the additional temperature alarm function makes it high-safe to withstand heat. The iStick 50W feels great when you hold it because of its size and the rounded edges, while also maintaining a side charging port for easy charging. Supplies are extremely limited