SIKER&reg; New Laptop Battery for Dell Precision M6400 Dell Precision M6500,fits C565C DW554 F678F G102C J012F KR854 P267P 5K145 8M039 312-0868 312-0873 9CELL 7800MAH Battery type: Li-ion Capacity: 7800MAH, Voltage: 11.1V 100% Compatible - Replaces 8M039, WG337, C565C, 312-0212 Grade A Li-ion battery cell; Rigorous quality control; Ensure product safety and stability Features 100% Brand Replacement New battery , with 1 year warranty