Laptop Battery PATONA for Fujitsu-Siemens Lifebook S6410, 4400mAh, Li-Ion, 11.1V:Does the battery in your Fujitsu-Siemens 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, 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 Fujitsu-Siemens The replacement battery is designed for selected Fujitsu-Siemens notebook models   The PATONA battery contains high-quality cells   Overload and overcharge protection  Fully replaces the original battery  Compatible notebooks: FUJITSU-SIEMENS Lifebook S6410, S6410, S6420, S6421, S6510, S6520, S7210, S7211, S7220