Tech specs - input power: 100-240v -1.5a, 50/60hz - output dc: 19.5v 4.62a - output power: 90w - tip size: 7.4mm x 5.0mm compatibility laptop part number: - 9t215, nadp-90kb a, 310-7712, 310-2862, 310-3399, 310-6325, 310-6557, 310-7712, 310-4002, - 7w104, nadp-90kb, c2894, 2h098, 9t215, uc473, 7w104, 310-3149, 5u092, pa-1900-02d (05d2) - pa-3epa-10 and pa-12 family and others compatible laptop models: - dell inspiron: 300m, 500m, 505m, 510m, 600m, 630m, 640m, 700m, 710m 1150,1420, 1501, 1521, 1525, 1526, 1720, 1721, 6000, 6400, 8500, 8600, 9200, 9300, 9400 e1405, e1505, e1705 - dell latitude: d400, d410, d420, d430, d500, d505, d510, d520, d530, d531,d600, d610,d620, d630, d800, d810, d820, d830 - dell precision: m20, m60, m70 d-family