Replacement Battery for select model Dell Laptops / Notebooks / Compatible with Dell 1530, XPS M1530, Dell XPS M1530, GP973, GP975, TK330, RN887, RN894, RN897, RU006, RU028, RU030, RU033, TK362, TK363, TK369, XT816, XT827, XT828, XT832, 12-00622, 312-0622, 312-0660, 312-0662, 312-0663, 312-0664, 312-0665 ( 6 Cells, 4400 Mah Capacity )