... 7.4mm*5.0mm 19.5V 3.34A ac adapter for DELL Voltage: 19.5 V 3.34ACapacity: ... 310-7712, 310-2862, 310-4002Compatible Laptop Models: Dell XPS: M140, M1210, M1530Dell Precision: M20, M2300, ... , D631, D631N, D800, D810, D820, D830, D830N, X300Dell Inspiron: 1150, 1420, 1501, 1520, 1521, 1525, 1526, 1720 ... , 1721, 6000, 6400, 8500, 8600, 9200, 9300, 9400, 300M, 500M, 505M, 600M, ...