TREE.NB E5440 Battery for Dell Latitude 14 15 5000 E5540 M7T5F VV0NF FT6D9This replacement laptop battery from TREE.NB is designed for Dell Latitude E5440 and E5540 series notebooks. It provides 11.1 volts and 58 watt-hours of power using 6 cells for reliable runtime. The battery supports up to 500 recharge cycles over its service life, offering long-term value. Built-in circuit protection ensures safe charging and operation. Compatible with multiple Dell part numbers including VV0NF, M7T5F, FT6D9, and 3K7J7.UPC732330279107MPNM7T5F, VV0NF, FT6D9, 3K7J7, NVWGMEAN0732330279107Itemweight0.79 poundsProductdimensions3.3 x 1.7 x 8.9 inches