Battery Type: Li-ion Volts: 11.1 V Capacity: 4400 mAh Cells: Li-Polymer Color: Black Conditon: Brand NEW Warranty: 3 Months Replace Part Number: 451-BBID, 451-BBIE, 451-BBIF, FT6D9, 3K7J7, 970V9, 9TJ2J, N5YH9, VJXMC, VVONF, M7T5F, WGCW6, 0K8HC, 1N9C0, 7W6K0, F49WX, NVWGM, CXF66 Fit in models: Dell Latitude E5440 Series Dell Latitude E5540 Series