Kinps&reg; for Apple Iphone 5 2200mah External Rechargeable Spare Backup Extended Battery Charger Pack Case Cover Advance 2200mAh Lithium Polymer Back up battery for APPLE IPHONE 5 Standby Time: Up to 210 & 390hrs Audio Playback : Up to 28hrs Talk Time: Up to 8hrs Two color to choose:White,Black