Guy-Tech Global 170W AC / DC Adapter Compatible with IBM Lenovo Thinkpad W510 4391WDP W510 4389W2V W510 43194MU W510 4391N9U W510 4389AG1 W510 438922U Power Supply Cord Charger

Input : 100V - 240V 50/60Hz Worldwide Voltage Use Replacement: This Adapter is a Brand New Replacement One, Not Original Over Voltage output Protection, Over Current output Protection. Short Circuit output Protection. High Power exchange efficiency to control working temperature and stable working.