Unlimited Cellular Battery Extender for Samsung U420, T519, i607, M610,D806, A303, A707 (Black) - SC-D820B
Keep your Phone battery powered and ready for use! Lightweight and compact, this high quality rapid battery extender has great portability. The battery extender quickly provides power to use your phone regardless of the internal battery condition and fully charges your phone as well. The battery extender is easy to use, simply attach to your phone via the attached cable and you are ready to use your phone. The battery extender is powered by 4 AA batteries that are not included.