For iPhone 5 Battery Case you can experence up to two days or more of uninterrupted iphone power . depending on your usage1 For iPhone 5 Battery CaseCapacity :2200mah Input : DC 5V/800mA/Lightning Output: DC 5V /500mA/Micro Charging time : 6 hours Standby time : up to 300hours Talk time :up to 7 hours on 3G up to 16 hours on 2G Internet Use :up to 7 hours on 3G Audio play : up to 40 hours Vedio ...