Laptop Battery - designed for 300s, 310S-14ISK-30, 500s, i2000, M51-80, S41-70, S41-75, U41 and U41-70, Li-pol, 3500 mAh Do you need to improve the battery life of your laptop? This model PATONA for ntb LENOVO Ideapad 300S/500S 3500mAh Li-Pol 7.4V, L14M2P21 is a source of energy for selected Lenovo laptops. A laptop without enough power or a power cut won't upset you anymore. A backup laptop battery is suitable as a second battery for your travels when it is not possible to connect your device to an electrical outlet, but still need to use your laptop. The battery features 3 piece(s) quality cells and offers a capacity of 3500mAh. PATONA for ntb LENOVO Ideapad 300S/500S 3500mAh Li-Pol 7.4V, L14M2P21 Battery Key Features Alternative Li-pol battery Safe alternative to the original battery Capacity: 3500mAh, voltage: 7,4V Provides your laptop with power when you're travelling Ensures a longer battery life and allows you to get more work done Tip: Frequent use...