FLYREE New Battery XCMRD for Inspiron14 15 17 Series fit for N3421 N3421 3521 laptop battery [14.8V 40WH] - 12 Months Warranty High performance in great quality as the original, Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability Battery Type: Li- ion Voltage:14.8V Capacity:40WH Cell:4 cells Color:Black Fit for Inspiron 14 (3421), 14R (5421), 14R (5437),15 (3521),15R (5521), 15R (5537), 17 (3721), 17 (3737), 17R (5721), 17R (5737),fit Dell Latitude 3440 3540.Compatible PN:MR90Y N121Y G35K4 MK1R0 YGMTN Compatible With :G019Y, MR90Y, T1G4M, VR7HM, XCMRD, 6HY59, 6XH00, 9K1VP, 15-3521, 15-3537, 15R-5521, 15R-5537, 15R-N3521, 15R- N5521, 15R-N5537 Fast shipping from US, 12 Months Warranty, 30 days money return guarantee