BZ-AC 90W Detailed Product Description This model is an universal switching-mode power supply, for almost brands of laptops, with USB port. operation at input AC 100V to 260V 47-63Hz Output DC 7 voltages: 15V/16V/18V/19V/20V/22V/24V,or12V/15V/16V/18V/19V/20V/24V output max 4.5Amp 90Watt max with protection functions: Overload protection, over voltage protection, short Circuit Protection With 8 tips connecter to suit to almost laptops Select output voltage to suit to laptop and make sure the polarity of tips connect correct before use Specificaiton: 1) Input VoltageAC120V AC230V 2) Input Rated Current1.0AMP 3) Output voltage: DC 12V-24V 15V/16V/18V/19V/20V/24V 4) Output Power90W 5) Efficiency>80%(TYP) 6)Packing details: Individual, Neutral or color box package is vailable