Acer Extensa 4630 5520 5235 5430 5630 7630. Option I: 19V 3.42A 65W (Compatible to 19V 1.58A 30W and 19V 2.37A 45W ). Option II: 19V, 4.74A, 90W (Compatible to 19V 3.42A 65W and 19V 3.95A 75W ). If not, we even could find out the right model for you.
eBay