1. Fit for laptop models: Inspiron 1520, Inspiron 1720, Dell Inspiron 530s, Dell Vostro 1500, Dell Vostro 1520, Dell Vostro 1521, Dell Vostro 1700, Dell Vostro 1720, Dell Vostro 1721
2. Replacable original laptop battery no. :UW280, 0UW280, NR239, 312-0589, 451-10477, FK890, GK479 , 312-0504, 312-0575, 312-0576, 312-0590, 312-0594, FP282,
3 We can provide1 year of waranty.