Dentsing 62Wh 15.2V Li-ion Battery N1WM4 For Dell Alienware 13 R2 13.3" 2VMGK Model:N1WM4 Color:Black Voltage:15.2V Capacity: 62Wh/4130mAh Compatible P/N:N1WM4 2VMGK 3V806 Compatible with: Dell Alienware 13 R2 Series 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.