About compatibility:

1.This 40Wh XCMRD battery is only compatible with some of the Dell Inspiron 15 3000 series / Inspiron 14 3000 series models but not all. Please find out your specific model name! (E.g.Inspiron 15 3000 series 3542). You may purchase the wrong battery if you only base on the laptop series!

2.Noted that this is NOT a 40Wh M5Y1K battery for the above series! If you need a M5Y1K model, please search product asin B07T59QNWL.

3. Please check the following list of compatible models. Maybe not complete models listed. You can post your question on Q&As if you are not sure about the compatibility.

Compatible with Dell Laptop Models:

For Dell Inspiron 14 14R Series 14-3421 14-3437 14-3443 14R-5421 14R-5437 14-N5421 14-N3421

For Dell Inspiron 14 3000 Series 3421 3437 3443

For Dell Inspiron 15 15R Series 15-3521 15-3537 15-3531 15-3542 15-3543 15-3541 15R-5521 15R-5537 15R-N3521 15R-N5521 15R-N5537

For Dell Inspiron 15 3000 series 3531 3541 3542 3543

For Dell Inspiron 17 17R Series 17-3721 17-3737 17R-5737 17R-5721 17R-N3721 17R-N3737 17R-N5721 17R-N5737

For Dell Latitude 3540 series

For Dell Latitude 3540 series

For Dell Vostro 2421 series

For Dell Vostro 2521 series

Compatible with Part Numbers:

40Wh XCMRD 4WY7C FW1MN 0MF69 24DRM 49VTP 4DMNG 6HY59 68DTP 6KP1N 6XH00 6K73M 8RT13 8TT5W 9K1VP DJ9W6 G35K4 G019Y N121Y MR90Y MK1R0 T1G4M VR7HM PVJ7J V1YJ7 V8VNT YGMTN X29KD XRDW2 W6XNM 312-1390 312-1387 312-1433 312-1392 451-12107 451-12108