POWER SPECSAC input:100 - 240V / 50-60Hz, DC output:20V/7.5A, Power:150W, DC Plug Size:6.0 mm * 3.7mm( a pin in the interface ),not 4.5*3.0mm or 5.5*2.5mm. COMPATIBLE M/N ADP-150CH B ADP-150CH BB 0A001-00081500 0A001-00081600.