The DENAQ NM-KM742-6 is an efficient 6-Cell 4400mAh Li-Ion Laptop Battery designed to provide long-lasting power to DELL Latitude E5500, E5400, E5410, and 5510 models. This superior grade battery is made with premium components and offers up to 25% more run time than non-branded batteries. Enjoy optimal performance and reliability with this essential device.