This is a certified brand new replacement battery for select Dell Laptops. This replaces the NVWGM battery that shipped with your Dell notebook.
Compatible Models: Dell Latitude E5440, E5540
Compatible Part Numbers: 0K8HC, 0M7T5F, 1N9C0, 7W6K0, F49WX, N5YH9, NVWGM, VVONF, WGCW6
Fit perfectly and works great. Ordering was easy and shipping was fast. Thank you so much!