Dentsing FV993 battery for Dell Precision M4600 M4700 M4800 M6600 M6700 M6800 Laptop Battery 9-cell 97WH FV993 FJJ4W Model:FV993 Color:Black Voltage:11.1V Capacity:97WH Compatible P/N: FV993 FJJ4W PG6RC 7DWMT JHYP2 K4RDX Compatible with:Dell Precision M4600 / M4700 / M4800 / M6600 / M6700 / M6800 6 Months Warranty. If you have any issue, please contact us, we will help you resolve it before you leave a negative feedback or low review.Thanks for your kind support and patience.