18-19.5VDC + USB Power Supply

This switching power supply--called a Mini Universal Notebook Adapter by the manufacturer, Velleman®--is smaller, produces less heat, has stabilized output, short circuit and overload protection. Input: 100-240VAC. Output via choked cord: 18VDC or 19VDC 4.74A 90W max depending upon plug used (Not included.). Output via USB 2.1A 5VDC 2.1A max. Measures 4-1/2" x 2-5/8" x 3/4" with 4' power cord and 45" output cable. Great for projects, powering that USB hub and so many other USB devices.