Pioneer4You iPV Mini 2 70w Box Mod features a genuine YiHi SX330V2C Chip installed,supports max power to 70w. It also features a variable voltage (from 3.6 volts to 8.5 volts) and wattage (from 7 watts to 70 watts). The iPV Mini 2 was powered by single 18650 battery and works well with 510 thread.