The New MC96 Battery for HP Smart Array P840AR P440AR P840 P440 Raid Controller is a high-quality replacement battery designed specifically for these HP RAID controllers. This MC96 battery ensures reliable and efficient performance, allowing your system to function smoothly without interruptions. Whether you are looking to replace a worn-out battery or simply seeking a reliable backup option, this product offers the necessary compatibility and performance for your HP Smart Array RAID controllers.