Keep your Nokia devices powered up with the genuine Nokia BL-4J battery, specifically designed for the Lumia 620, 5800, 5230 C6, and C6-00 models. With a capacity of 1300mAh, this Li-ion battery provides reliable and efficient charging, ensuring your phone stays operational throughout the day. The battery features a convenient wired/phone antenna port for easy connectivity and maintains a consistent 3.7V voltage level. Its original design and finish match Nokia's high-quality standards, and the grey color ensures it complements your phone's aesthetic. This package includes one external battery to keep your device running at its best.