Dtk New Laptop Battery for Dell Inspiron 1525 1526 1545 Pp29l Pp41l Series - 18 Months Warranty [Li-ion 6-cell 11.1v 4400mah] Capacity: 4400mAh/49WH Cells: 6-cell Battery type: Li-ion Dimensions :8.3 x 1.9 x 0.8 inches 11.2 ounces