A Howlingly Professional Cartridge Vaporizer Step up your cartridge vaping to the big leagues with our Wulf Mods Pro 510 Voltage Battery! We’ve gone all out to give the Pro some serious bite by upgrading it with a 400mAh battery, extended 12s preheat function, and incrementally adjusted voltage range from 2.0 - 4.2v. All of this is elevated by the Pro’s included OLED screen, a rarity for pen style batteries, which fits directly into the base of the device to provide you with information like battery level, puff count, and voltage level. Add the Pro to your pack today and start seshing like a true professional by choosing one of the 5 available color options including some Wulf Mods spatter classics like black-red and purple-black.