3.70V,800mAh,Li-ion,Replacement Smart Phone Battery for NOKIA 5250, 5530 XpressMusic, 5730 XpressMusic, E66, E66 support, E75,NOKIA 3120 Classic, 5330 Mobile TV Edition, 5330 XpressMusic, 6212 Classic, 6600 Slide, 6600i Slide, 6600s, 8800 Arte, 8800 Carbon Arte, 8800 Gold Arte, 8800 Sapphire Arte, 8800a, 8800a 4GB, 8800a 4GB Carbon Arte, C5-03,Compatible Part Numbers:BL-4U,