Guy-Tech Global 170W AC / DC Adapter Compatible with Lenovo Thinkpad W520,W530 W520/42824UU W520/NY54MGE W520/4282B47 W520/42844LG W520/4284A43 W520/NY54KGE Power Supply

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.