Go to Amazon.com : http://www.amazon.com/gp/product/B0056QBQNI?tag=theatrecat-20
GPK Systems Car Charger for Apple Macbook Pro 15- Or 17-inch 85w Magsafe Power Adapter Portable
Input DC 115V - 16V
Output 185V 46A 85Watt
LED indicator shows you when your computer is charging and when it is fully charged
Compatible only with Macbook Pro 15- Or 17-inch featuring power port
