Tech Specs Compatible 11.1V 4400mAh Orginal Model Numbers 0MF69, 24DRM, 312-1387, 312-1390, 312-1392, 312-1433, 451-12097, 451-12104, 49VTP, 4DMNG, 4WY7C, 68DTP, 6HY59, 6K73M, 6KP1N, 6XH00, 8RT13, 8TT5W, 9K1VP, DJ9W6, E3540BAT-11, FW1MN, G019Y, G35K4, MK1R0, MR90Y, N121Y, PVJ7J, T1G4M, V1YJ7, V8VNT, VR7HM, W6XNM, X29KD, XCMRD, XRDW2, YGMTN Dell Inspiron 14 14-3421 14-3437 14-3441 14-3442 14R-5421 14R-5437 15 15-3521 15-3531 15-3541 15-3542 15-5537 15R-5521 15R-5537 17 17-3721 17-3737 17-5748 17R-5521 17R-5737 3521 5521 Dell Latitude 3440 3540 Dell Vostro 2421 2521