Genuine Dell 6-cell 65Wh Battery for Latitude E5440 E5540, VV0NF, M7T5F, NVWGM dell Battery type: Li-ion

Battery type:  Li-ion

Material: Lithium Li-ion

because the capacity requirement will strain out by inner PCB circuit

NP-SF411-A01

Genuine Dell 6-cell 65Wh Battery for Latitude E5440 E5540, VV0NF, M7T5F, NVWGM dell Battery type: Li-ionGenuine Dell Battery for Latitude E5440, E5540 Series Rating: 11. 1V, 5700mAh, 65Wh (PROVIDED WITH 12 MONTHS WARRANTY) What we mean by NEW OTHER: These batteries are UNUSED stock batteries that have been in storage for an extended period. They have been tested and certified OK. They may have undergone maintenance cycles (typically 1 3) to keep them in good condition. They may also have minor cosmetic imperfections (such as minor scratches), due to