The iStick Pico 25 ingeniously packs a big 0.91-inch screen that offers a concise and clear interface, 2A quick charge capability and upgradeable firmware with preheat function in a compact, stylish yet powerful package. Powered by single 18650 battery, the iStick Pico 25 is capable of outputting a maximum power of 85W and can handle various tanks up to 25mm diameter. The ELLO atomizer that features the HW coil for ultimate flavor and retractable top for easy filling pairs with the iStick Pico 25 perfectly in terms of both appearance and performance.