• Perfect replacement for Nokia 2720 Fold, 5310, 6600 Fold, 6700 Slide, 7210 Supernova, 7230, 7310 Supernova, X3, model BL-4CT, ensures seamless compatibility. • Battery with a capacity of 860 mAh at a voltage of 3.8 V, characterized by an especially long duration. • No memory effect thanks to lithium-ion technology, maintains full operating time and constant voltage even after partial charges. • Perfect fit with compact dimensions and lots of power, no other accessories like a new battery cover or a new charger are needed. • Quality guaranteed, high-quality products are very important, compatible with various Nokia models.