LB1 High Performance Extended Life Battery for Dell XPS 14 XPS 15 XPS 17/17 3D, Part #: 312-1123, 312-1127, WHXY3 Laptop Notebook Computer PC [73wHr 9-Cell 6600mAh] Compatible with 312-1123, WHXY3, JWPHF, WHXY3, 312-1127 Dell 312-1127 Laptop Battery,Dell 312-1127 Laptop Battery,Dell 312-1123 Laptop Battery,Dell 312-1123 Laptop Battery,Dell R795X Laptop Battery High Quality Laptop Battery 11.1V 7800mAh 9 cell Designed for XPS 14 Series(All),XPS 14 (L401x ),XPS 17,XPS 14 Series(All),XPS L501x Series 1 Year Warranty