Laptop Battery AVACOM for Lenovo IdeaPad G580, Z380, Y580 series Li-Ion 11.1V 4400mAh:Is your laptops battery life insufficient? This laptop battery AVACOM for Lenovo IdeaPad G580, Z380, Y580 series Li-Ion 11.1V 4400mAh is a backup power supply for selected Lenovo laptops. A laptop batterys low capacity or a blackout will not be your problem anymore. A backup laptop battery is useful as a second battery when you are on holiday and you cant access an electrical outlet, but still want your laptop to be running. This laptop battery consists of 6 piece(s) high-quality cells and offers a capacity of 4400mAh. AVACOM for Lenovo IdeaPad G580, Z380, Y580 series Li-Ion 11.1V 4400mAh Battery Key Features Alternative Lithium-ion (Li-ion) battery Safe substitute for the original battery Capacity: 4400mAh, voltage: 11,1V Compatible with Lenovo laptops, specifically the IdeaPad models Supplies your laptop with power when youre travelling Delivers an improved battery life and allows you to get more work done Tip: Frequent use causes a reduced battery life. Please adhere to the instructions on correct discharging and charging that can be found in the manual to prevent capacity loss.