... .Certification: CE/ROHS2.This Model is an universal switching-model power supply for laptop operation at Input DC 12V.3.Output DC 15 ... ,20,22,24V current 4.0A/4.5A max4.Output power 90W/100W max, also with usb port 5V 1000MA5.charge ... equipment such as MOBILE, MP3, MP4...with many protection functions, power by 12v car. N.W: