FLYREE 4Cells 40WH New XCMRD Battery for Inspiron 15-3521 15-3537 15-3541 15-3542 15-5521 15-N3521 15-N5521 15R-1528R Laptops Black - 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:4cells Color:Black Fit Models: Vostro 2421, Vostro 2521 Series, Inspiron 14R (14R-3421) Compatible P/N: VR7HM, XCMRD, 312-1387, MR90Y, 4WY7C , 6K73M , 8RT13 , DJ9W6, G35K4 Fast shipping from US, 24 x 7 Email Support, 12 Months Warranty, 30 days money return guarantee