Gaisar Super-Capacity Laptop Replacement Battery for Dell compatible models Li-ion 11.1V 7800mAh 86wHr 9 Cells One Year Warranty Replace: Dell OEM Part # CF623 YD623 CF704 CF711 DF249 312-0394 312-0393 XD735 XD736 312-0393 YD624 DF230 DF249 FF231 FF232 312-0402 XD739 Fits: Dell Laptop Model # Latitude D820 D830 D531 D531N, Precision M65 M4300 M4300 Mobile Workstation Battery Type: Li-ion, 9 Cells, Capacity: 7800mAh, Voltage: 11.1V, Watt Hour: 86wHr Gaisar Laptop Battery is made from the highest quality cells and parts and Guaranteed to meet or exceed OEM specifications. All batteries cover with a 1 Year Warranty and a 30 Day Money Back Guarantee.