Super Power Supply DC Laptop Car Adapter Charger Cord with USB charging port for Dell Studio 1457 1458 14z 1535 1536 1537 1555 1557 1558 1735 1737 1749 Studio Hybrid ; Studio XPS 13 16 1645 1647 1640 ; XPS 14 L401x M1210 M1330 M140 M1530 ; 7kp4x 331-0536 Mk911 310-8814 Nf642 310-9439 Nf642 310-7697 Pc531 310-2860 Kt190 330-2763 Notebook Netbook Battery Plug Input: 110-220V Output: 19.5V 4.62A Warranty: 1 Year Super Power Supply are manufactured and tested to match or exceed OEM products. Trademarked by Super Power Supply. Sold exclusively by Super Power Supply