SIKER High Performance 11.1V 97Wh 9cell Battery For Dell Precison M4600 M6600 M4800 M6800 Laptop FV993 FJJ4W PG6RC 7DWMT JHYP2 K4RDX Battery Type: 9 Cells Li-ion Capacity: 11.1V 97Wh Color: Black Compatible Part Numbers: 312-1176 / 312-1177 / 312-1178 / 312-1354 / 331-1465 / J5CG3 Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. This product is CE & RoHS certified, so BUY WITH CONFIDENCE!!! Features 100% Brand Replacement New battery , with 1 year warranty