This laptop battery can replace the following part numbers of Dell:
312-0748, 312-0749, 312-0753, 312-0754, 312-0917, 451-10583, 451-10584, C719R, FU571, KY265, KY477, PT434, R822G, U844G

This replacement battery is also compatible with the following models of Dell:

Dell
    Dell Latitude E6400,
    Dell Latitude E6400 ATG,
    Dell Latitude E6400 XFR,
    Dell Latitude E6500,
    Dell Precision M2400,
    Dell Precision M4400,
    Dell Precision M6400