9 Cell Battery For Dell Inspiron 1520 1720 530s Vostro 1500 1521 1700 1721 fits UW280 0UW280 NR239 312-0589 451-10477 FK890 GK479 312-0504 312-0575 312-0576 312-0590 312-0594 FP282 w/ All-in-One Card Reader [AGPtek 7200 mAh Li-ion Battery]