Laptop Battery PATONA for HP ProBook 4320s, 4400mAh, Li-Ion, 10.8V:Do you need to improve the battery life of your laptop? This laptop battery PATONA for HP ProBook 4320s, 4400mAh, Li-Ion, 10.8V is a power supply replacement for selected Compaq and HP laptops. A laptop without enough power or a power cut will not be your problem anymore. A spare laptop battery is suitable as a second battery for your travels when you cant access an electrical outlet, but still want your laptop to stay switched on. The battery consists of 6 × high-quality cells and offers a capacity of 4400mAh. PATONA for HP ProBook 4320s, 4400mAh, Li-Ion, 10.8V Battery Key Features Alternative Lithium-ion (Li-ion) battery Safe substitute for the original battery Capacity: 4400mAh, voltage: 10,8V Designed for Compaq and HP laptops, specifically the ProBook models Supplies your laptop with extra power if you happen to run out Ensures a longer battery life and increases your productivity Tip: Frequent use reduces battery life. Please adhere to the instructions on correct discharging and charging that can be found in the manual to slow down capacity loss.