It can replace the following part numbers of Dell:
312-0504, 312-0575, 312-0576, 312-0590, 312-0594, 451-10476, FP282, GK479

Battery Type: Li-ion
Voltage: 11.10V
Capacity: 4400mAh
Color: Black
Dimension: 209.90 x 47.50 x 20.40 mm
Product Type: Replacement Battery (Brand New)

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

DELL
    Dell Inspiron 1520,
    Dell Inspiron 1521,
    Dell Inspiron 1720,
    Dell Inspiron 1721,
    Dell Vostro 1500,
    Dell Vostro 1700