New E6400 Battery for Dell Latitude E6510 Precision M2400 M4400, fits P/N: F8TTW PT434 PT437 KY266 FU274 FU571 MN632 MP303 MP307 W1193 KY477[11.1V 90Wh] Notice： This is 9-cell battery,and it is different from 6-cell battery,Please check your battery part number and Compatible with Laptop Models to ensure you are getting the correct battery for your laptop! Colour: Sliver Type: Li-ion Voltage: 11.1V Capacity: 90Wh Cell:9 Compatible Models: Latitude E6400 Latitude E6500 Latitude E6510 Latitude E6410 Latitude E6400 ATG Latitude E6400 XFR Latitude E6410 ATG Dell Precision M2400 Precision M4400 Precision M4500 Precision M6400 Precision M6500 Compatible Part Numbers : 312-0748 312-0749 312-0753 FU441 FU444 FU571 HJ590 KY265 KY266 KY470 KY471 KY477 NM631 MP492 MP494 PT43 PT434 PT436 PT650 PT653 R822G WG351 XP394