Go to Amazon.com : http://www.amazon.com/gp/product/B0070HSLE8?tag=theatrecat-20
Samsung Replacement 19V 4.74A 90W AC Adapter For Samsung Notebook model: NP300V5AI NP300V5A-A07US
AC Input 100 240V 50 60Hz
DC Output 19V 474A 90W
100 Compatiblw with PN AA-PA1N90W
Come with 3ft Power Cord
1 Year warranty