Easy & Fine New Laptop Battery for Dell Inspiron 15r 17r 14r 13r N5110 N5010 N4110 N4010 N7110 N3010 M5110 M4110 M501 M503 Series, Fits P/n J1knd 4t7jn 312-0234 - 12 Months Warranty [Li-ion 6-cell 4400mah/11.1v]