The Wulf Mods UNI is an adjustable 510-thread battery with a sliding cartridge chamber that accommodates carts of any size. 500mAh battery with three voltage presets (3.4V, 3.7V, 4.0V) indicated by LED color. 15-second preheat function and magnetic adapter for easy cart swaps. Compact box mod design with lanyard hole. Available in multiple colors and limited-edition patterns. USB-C charging.