4GVMP 9JRYT RF7WM X77XY C5GV2 MCV1G. Capacity: 68Wh. For Latitude 5400 E5400 Series. For Latitude 5500 E5500 Series. Battery Type: Li-ion. Laptop battery part number(Battery Model). 3, Remove the old battery, carefully install the new battery on the battery case, screw in the screw, and connect the wiring of the new battery.
eBay