Battery 6Cell 56Wh for Laptop Dell XPS M1530 TK330 Compatible with 312-0663, 312-0663, TK369, RN887, 312-0622 Dell 312-0664 Laptop Battery,Dell TK369 Laptop Battery,Dell TK362 Laptop Battery,Dell 312-0660 Laptop Battery,Dell RU006 Laptop Battery High Quality Laptop Battery 11.1V 4400mAh 6-cell Designed for XPS 1530,XPS M1530,XPS M1530N, 1 Year Warranty