Laptop Battery Avacom for Asus X556 Li-Pol 7.6V 4200mAh:Have you been experiencing battery drain problems? This laptop battery Avacom for Asus X556 Li-Pol 7.6V 4200mAh is the right choice for selected ASUS laptops. A dead laptop battery or a power failure wont take you by surprise. 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 2 piece(s) quality cells and provides a capacity of 4200mAh. Avacom for Asus X556 Li-Pol 7.6V 4200mAh Battery Key Features Alternative Lithium-ion (Li-ion) battery Safe alternative to the original battery Capacity: 4200mAh, voltage: 7,6V Supplies your laptop with power when you are on the go Delivers an improved battery life and allows you to work longer Tip: Frequent use causes the battery to wear out. Please adhere to the instructions on correct charging and discharging that you can find in the manual to slow down capacity loss.