Replacement 6 Cell 11.1v 4400mah Battery Pack for Acer Aspire Laptop Computer: 5335-2086 5335-2139 5335-2145 5335-2238 5335-2257 5335-2553 5335-2653 5335-2891 5516-5014 5516-5038 5516-5063 5516-5112 5516-5128 5516-5196 1 year warranty 6 Cells 11.1v 4400mah compatible to original equipment