Laptop Battery PATONA for HP ProBook 440, 4400mAh, Li-Ion, 11.1V:Does the battery in your HP 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, will fully replace the original battery. Moreover, there's 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 HP  The replacement battery is designed for selected HP notebook models   The PATONA battery contains high-quality cells   Overload and overcharge protection  Fully replaces the original battery  Compatible notebooks: HP ElitePad 900 G1, HP ProBook 440, HP ProBook 445, HP ProBook 450, HP ProBook 455, HP ProBook 470, HP ProBook 440 G, HP ProBook 445 G, HP ProBook 450 G, HP ProBook 455 G, HP ProBook 470 G