V7s high quality replacement notebook batteries are made from the highest quality cells available & incorporate all of the standard logic boards, thermal protectors, thermistors & circuit breakers to ensure maximum levels of safety, reliability & efficiency. V7s wide selection is compatible with top line products from all major manufacturers & meets or exceeds the original OEM specifications to provide longer-lasting quality & no memory effect. Features Technology: Li-Ion Voltage: 11.1 Cells: 9 Capacity: 7800m Ah Compatible with: Latitude E6400, E6400 ATG, E6500; Precision M2400, M4400, (9-cells) Replacement OEM Battery part numbers 312-0748, 312-0749, 312-0753, FU571, KY265, PT434, PT653, R822G