It is universal switching-mode power supply for laptop, operation at input AC 100V to 240V 47-63HZ, DC 7 voltages:15V/16V/18V/19V/20V@4.5Amp max, 22V @4.1 Amp max, 24V @3.75Amp max, output power 90W max, with protection functions : overload protection, short circuit protection, power supply by manis supply. With 8PCS tip connecter to suit to almost laptops, select output voltage to suit to laptop and make sure the polarity of tips connector befor use it.
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