Guy-Tech Global 170W AC / DC Adapter Compatible with Lenovo Thinkpad W520,W530 W520/428443G W520/4276001 W520/427623U W520/4276004 W530/N1K2EUK W530/N1K44GE W520 427637U

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.