Replacement Battery for Dell Inspiron 1520 1721 1521 1720 530S Vostro 1700 1500 fits 312-0504 312-0518 312-0520 312-0513 312-0576 312-0590 312-0575 312-0594 [Li-ion 9-cell 7200mAh Black] 

•  Battery Type : Lithium-Ion - Capacity: 7200 mAh - Voltage: 11.1V 9 cells
• Replacement Laptop Battery for Dell Inspiron 1525 1526 series; Compatible Dell Part Numbers: RN873,GP952,M911,X284G

??Compatible models:

Dell Inspiron
530S
1520 / 1721 / 1521 / 1720

Dell Vostro
1700 / 1500?