Dentsing XCMRD 14.8V 40Wh Battery for Dell Inspiron 14 3421 / 14r 5421 3437 N3421 N5421 / 15 3521 / 15r 3537 5521 5537 N3521 N5521 N5537 / 17 3721 / 17r 5737 N3721 N3737 N5721 N5737 5721 MR90Y Model:XCMRD Color:Black Voltage:14.8V Capacity:40Wh Compatible P/N:VR7HM, G019Y, 312-1433, FW1MN, XCMRD,XCMRD 0MF69 24DRM 312-1387 312-1390 312-1392 312-1433 451-12107 451-12108 49VTP 4DMNG 4WY7C 68DTP 6HY59 6K73M 6KP1N 6XH00 8RT13 8TT5W 9K1VP DJ9W6 FW1MN G019Y G35K4 MK1R0 MR90Y N121Y PVJ7J T1G4M V1YJ7 V8VNT VR7HM W6XNM X29KD XRDW2 YGMTN Compatible with:Dell Inspiron 14 3421 / 14r 5421 3437 N3421 N5421 / 15 3521 / 15r 3537 5521 5537 N3521 N5521 N5537 / 17 3721 / 17r 5737 N3721 N3737 N5721 N5737 5721 Dell 14 15 17 N3421 N3421 3521 6 Months Warranty. If you have any issue, please contact us, we will help you resolve it before you leave a negative feedback or low review.Thanks for your kind support and patience.