6 Cell New Laptop Battery FV993 PG6RC for Dell Precision M4600 M6600 M4700 M4800 M6700 M6800 FJJ4W 7DWMT JHYP2 K4RDX Type: Li-ion, Voltage: 11.1V, Capacity: 5200mAh, Cells: 6-Cell Fit with Dell Precision M4600 M4700 M4800 M6600 M6700 M6800 (Mobile Workstation) Replace Part Number: FV993 FJJ4W PG6RC 7DWMT JHYP2 K4RDX Grade A cell ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and reliability. Exchange/Refund Policy: Free exchange/refund within 12 months. You can keep the order before we resend a new one and we will email a prepaid return label to help you return the order.