Laptop Battery PATONA for ntb DELL E5450 6900mAh Li-Pol 7, 4V 8V5GX:Does the battery in your Dell notebook have insufficient capacity? Is it hardly possible to work without having it constantly plugged in? Do you want a new one but the original replacement is too expensive for you? We have a solution for you. The high-quality Patona battery, offering a capacity of 7000mAh, will fully replace the original battery. Moreover, theres no need to worry as these products are of excellent quality and feature, for example, integrated overload and overcharge protection. Key Features of the PATONA Replacement Battery for Dell  The replacement battery is designed for selected Dell laptop models  The PATONA battery contains high-quality cells   Overload and overcharge protection  Fully replaces the original battery  Compatible notebooks:Dell Latitude 3150, 3160, E5250, E5450, E5550