Laptop Battery PATONA for FUJITSU-SIEMENS E8410, 4400mAh, Li-Ion, 10.8V:Is your laptops battery life insufficient? This model PATONA for FUJITSU-SIEMENS E8410, 4400mAh, Li-Ion, 10.8V is a backup power supply for selected Fujitsu laptops. A laptop batterys low capacity or a power failure wont catch you off guard. A backup laptop battery is suitable as a second battery when you are on holiday and you cant access an electrical outlet, but still want your laptop to be running. PATONA for FUJITSU-SIEMENS E8410, 4400mAh, Li-Ion, 10.8V Battery Key Features Alternative Lithium-ion (Li-ion) battery Safe alternative to the original battery Capacity: 4400mAh, voltage: 10,8V Compatible with Fujitsu laptops, more specifically the Lifebook series Supplies your laptop with power when you are on the go Ensures an improved battery life and allows you to get more work done Tip: Frequent use reduces battery life. Please follow the instructions on correct discharging and charging that can be found in the manual to slow down capacity loss.