GPK Systems Ac Adapter for Western Digital Wd My Book External Hard Drive HDD Wdbaaj0010hsl-kesn Wdbaaj0010hsl-nesn Wdbaaj0010hsl-sesn Wdbaaj0020hsl Wdbaaj0020hsl-aesn Wdbaaj0020hsl-eesn Wdbaaj0020hsl-jesn Wdbaaj0020hsl-kesn Wdbaaj0020hsl-nesn Wdbaaj0020hsl-sesn Wdbaau0015hbk Wdbaau0020hbk Wdbaau0020hbk-uesn Wdbaau5000ebk Wdbaau6400ebk Wdbaau7500ebk Wallwart Fixed Us Plug Power Supply Cord Input: 100 - 240 V (worldwide use) Output : DC 12V 2A 24 Watt (1.5A Compatible) Service & Support 1 year warranty Designed exclusively for use with the laptops 100% compatibility with the original