Easy&Fine18 Months Full Warranty, High Quailty Dell Precision New Battery M6600 (11.1V, 97Wh) for Dell Precision M4700 M4600 M6700 Dell Precision New Battery in high grade quality and 18 Months Full Warranty, 30 days money return guarantee ! Voltage: 11.1V, Capacity: 97Wh, Color: Black New Replacement Products, Works as Genuine Parts; Built-in circuit protection ensures both safety and stability Easy&Fineis a registered U.S. Trademark under Serial number 86024160