Battery Type: 9-Cells; Voltage: 11.1V; Capacity: 97WH Grade A cells ensure fast charges and low power consumption Bult-in drcult protection ensures both salety and stability. Fits Dell Precision M4600 M4700 M4800 M6600 M6700 M6800 Laptop Notebook,PN: FJJ4W 4HJXX WFDW7 CE-RoHS-/FCC- Certifled and Bulit-in circuit protection ensure both safety and stability. We believe in quality and customer service and our priority is your satisfaction. lf for any reason you are not safisfiedwith our products, please contact us and we will provide you with a 12-month warranty