Stop lugging your AC adapter back and forth between home and office. Get a second AC adapter for your notebook and keep one in the office and one for home or travel. The DELL 90-Watt AC adapter enables you to operate your notebook or charge the battery from electrical power outlets. This product has been tested and validated on DELL systems. It is supported by DELL Technical Support when used with a DELL system.  

 Compatible models: DELL inspiron e1705, e1405, e1505, 1150, 1420, 1501, 1520, 1521, 1526, 1720, 1721, 6000, 6400, 8500, 8600, 8600c, 9200, 9300, 9400, 300m, 500m, 505m, 510m, 600m, 700m  
 Latitude: 100l,131l, d400, d410, d420, d430, d500, d510, d520, d531, d600, d610, d620, d630, d800, d810, d820, d830,x1, x300  
 Precision: m20, m60, m65, m70, m2300, 4300 DELL vostro:1000, 1400, 1500, 1700 DELL xps: m1210, m1330, m140, m1530, m170 studio 1537 1735 1737 15 17  
 Power Source Type: Corded Electric