This original Blackberry Curve 8520 / 8530 Battery Door / Back Door is the only OEM replacement or spare for your Blackberry Curve 8520 / 8530. Made from high quality and durable material, the Blackberry Curve 8520 / 8530 Battery Door is your best choice to ensure that your Curve battery door / back cover stays right where you want it, keeping your battery secure and protected at all times.