This is a genuine Dell 90 Watt Auto/Air AC Power Adapter (Laptop Charger) Kit designed for travel. This kit offers the ability to use AND charge your Dell Laptop on the go- in your car, using the included DC automobile cigarette lighter adapter, and in the air with included airplane type adapter. This Power Adapter will work with any laptop that uses a PA-10, PA-12, PA-2E, or PA-3E power adapters. Compatible Dell Laptops: - Inspiron- M501R (M5010), M511R (M5110), 11z, 13R N1310, 14R N4010 N4110, 15R N5010 N5110, 17R N7010 N7110, N4020, N5030, N4030, M5030, 1545, 1546, 1440, 1470, 1464, 1564, 300m, 500m, 510m, 600m, 630m, 640m, 700m 710m 6000 6000D 6400 8500 8600 1150 1318 E1405 E1505 1501 1420 1520 1521 1525 1720 1721 1750 1764 E1705 - Latitude- E6400 X300 D400 D410 D420 D430 D500 D505 D510 D520 D530 D531 D600 D610 D620 D630 D631 D800 D810 D820 D830 D831 131L E4200 E4300 E4310, E5500 E5400 E6400 E6500, E6400 ATG, E5410, E5510, E6510, XT2, E6410, E6520, E6420, E6320, E5520, E5420 - Precision- M20 M60 M2400 - Vostro- 500 1000 1200 1400 1500 A840 - XPS- 14 (L401X), 15 (L501X, L502X), M1210, M1330, M140, M1530 - Studio- 1535, 1536, 1737, 1555 1557 1558, 1457, 1458, 1745, 1747, 1749, XPS 1340, XPS 1640 1645 1647