Laptop Battery PATONA for ntb HP EliteBook 850 G3 4100mAh Li-lon 11.1V, CS03XL:Have you been experiencing battery capacity loss? This model PATONA for ntb HP EliteBook 850 G3 4100mAh Li-lon 11.1V, CS03XL is a power supply replacement for selected HP laptops. A laptop batterys low capacity or a power failure will not disconcern you anymore. A backup laptop battery is useful as a second battery when you are on holiday and it is not possible to connect your device to an electrical outlet, but still want your laptop to be running. This model features 6 piece(s) high-quality cells and provides a capacity of 4100mAh. PATONA for ntb HP EliteBook 850 G3 4100mAh Li-lon 11.1V, CS03XL Battery Key Features Alternative Li-pol battery Safe alternative to the original battery Capacity: 4100mAh, voltage: 11,1V Provides your laptop with power when you are on the go Ensures an improved battery life and increases your productivity Tip: Frequent use affects battery life . Follow the instructions on correct discharging and charging that can be found in the manual in order to reduce the risk of compromised performance.