The Evolve Plus has an internal battery of 1100mAh capacity and 15 seconds of continous heat.The atomizer coils are crafted with Quartz instead of traditional fiber wick for the purest experience. The 0.8Ω ceramic donut coil heats up quickly provides you with a clean tasty hits and big vapor. The air inlets were placed on the sides of the ceramic cup, and helps avoids concentrate leaking from the bottom of the coil. The Evolve Plus also has a built-in silicone jar, patented by Yocan, and an micro USB port, an easier and convenient way to charge the battery.