Laptop Battery - designed for HP ProBook 4510s, HP ProBook 4515s, HP ProBook 4710s and HP ProBook 4720s, Lithium-ion (Li-ion), 4400 mAh Is your laptop's battery life insufficient? This model AVACOM for HP ProBook 4510s, 4710s, 4515s series Li-Ion 14.4V 4400mAh is a backup power supply for selected HP laptops. A flat laptop battery or a power failure won't catch you off guard. A spare laptop battery is useful as a second battery for your travels when you don't have access to an electrical outlet, but still need to keep your laptop running. The battery comes equipped with 8 piece(s) quality cells and offers a capacity of 4400mAh. AVACOM for HP ProBook 4510s, 4710s, 4515s series Li-Ion 14.4V 4400mAh Battery Key Features Alternative Lithium-ion (Li-ion) battery Safe substitute for the original battery Capacity: 4400mAh, voltage: 14,4V Compatible with HP laptops, specifically the ProBook series Supplies your laptop with extra power if you happen to run out Keeps...