Car DC Adapter Charger for Dell Latitude 3440 D640 XT Tablet PC XT3 e4310n e5440 e5540 e6220 e6230 e6250 e6400 atg e6440 xfr d630 z z600 DC-Output : 19.5V-4.62A-90W - Input : DC 12V This Product has 12 MONTHS REPLACEMENT WARRANTY 100% OEM compatible Package Includes : One DC Adapter and One US Power Cord for Listed Models