SIKER&reg; 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 5200mAh/49WH]