Laptop Battery PATONA for ASUS F5, X50, 4400mAh, Li-Ion, 11.1V:Does the battery in your Asus 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 4400mAh and six cells, 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 Asus  The replacement battery is designed for selected Asus notebook models  The PATONA battery contains high-quality cells   Overload and overcharge protection  Fully replaces the original battery  Compatible notebooks:Asus F5, Asus F8, Asus X50, Asus X59, Asus Pro5, Asus Pro50, Asus Pro55