11.1V, 8800mAh, Li-ion Battery fits Emachines, D442, D528, 97.68WhBattery Fits Models: D442, D528, E440, E442, E640, New85 Battery Part Numbers: CS AC4551DB Cameron Sino batteries have manufactured generic batteries for many years. We offer the freshest batteries straight from the manufacturers; they are reliable and built with safety as an essential part of their construction. Cameron Sino batteries have manufactured generic batteries for many years. We offer the freshest batteries straight from the manufacturers;