Temperature controlled vaping has become more and more popular among vapers. Eleaf iStick TC40W is a popular choice to give temperature controlled vaping a try. Its unique temperature control function different from the ordinary variable voltage mod makes less power and e-liquid consumption. Very luckly, two other temperature controlled mods from Eleaf are availabe on official authorized website: iStick TC100W and iStick Pico mod. These two mods are more advanced temperature controlled one than iStick TC40W, they can support kinds of temperature control modes and also are firmware upgradeable. But they are so different in the appearance and battery design. iStick TC100W is a bigger one with two changeable cells and iStick Pico mod holds tiny size and is powered with an interchangeable 18650 cell. The interchangeable cell structure of these two batteries allow users to carry spare cells when on the go and change the cell easily. Hurry to choose your favorite temperature controlled mod on Eleaf official authorized website!