Thor Replacement 6 Cell 11.1v 4400mah Battery Pack for Acer Aspire Laptop Computer: 5517-5904 5517-5997 5532-1365 5532-1495 5532-1563 5532-5146 5532-5194 5532-5509 5532-5535 5532-5884 1 year warranty 6 Cells 11.1v 4400mah compatible to original equipment