11.10V,4400mAh,Li-ion, Replacement Laptop Battery for Dell XPS M1530, Compatible Part Numbers: This replacement laptop battery can substitute the following part numbers of Dell 312-0660, 312-0662, 312-0663, 451-10528, RU030, TK330, XT828, XT832 Voltage: 11.10V ///Capacity: 4800mAh Battery Type: Li-ion///Color: Black Dimension: 206.20 x 43.60 x 25.40 mm///Weight: 481.95 g