Ehpro Cold Steel 100 TC Box Mod 120W $27.00
It features a stainless steel, brass, zinc alloy body, a maximum wattage output of 120W, a TC range of 200℉ - 600℉, a voltage range of 0.5V - 8V, coil resistance range of 0.05ohm - 3.0ohm, a variety of modes, micro USB for charging and software updates, and it's all powered by a single 18650/20700/21700 battery.