Laptop Battery PATONA for ntb LENOVO Y50-70 6400mAh Li-Pol 7.4V, L13M4P02, L13N4P01:Have you been experiencing battery drain problems? The battery PATONA for ntb LENOVO Y50-70 6400mAh Li-Pol 7.4V, L13M4P02, L13N4P01 is the right choice for selected Lenovo laptops. A dead laptop battery or a power cut will not disconcern you anymore. A backup laptop battery is useful as a second battery for your travels when it is not possible to connect your device to an electrical outlet, but still want your laptop to be running. This model comes equipped with 4 piece(s) quality cells and provides a capacity of 6400mAh. PATONA for ntb LENOVO Y50-70 6400mAh Li-Pol 7.4V, L13M4P02, L13N4P01 Battery Key Features Alternative Li-pol battery Safe alternative to the original battery Capacity: 6400mAh, voltage: 7,4V Provides your laptop with extra power if you happen to run out Delivers an improved battery life and allows you to work longer Tip: Frequent use causes a reduced battery life. Follow the instructions on correct handling and charging that can be found in the manual in order to reduce the risk of compromised performance.