Dentsing N3X1D for Dell Latitude E6540 E6440 E5530 E5430 E6520 E6420 Precision M2800 6-cell Laptop Battery 65Wh - N3X1D Model:N3X1D Color:Black Voltage:11.1V Capacity:65Wh Compatible P/N:N3X1D Model:N3X1D Color:Black Voltage:11.1V Capacity:65Wh Compatible P/N:N3X1D Compatible with: Dell Latitude E6540 E6440 E5530 E5430 E6520 E6420 Precision M2800 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.