MFI Apple Certified IONIC 2000 mAh Battery Case for Apple iPhone 5/iPhone 5S 2013 Smartphone (AT&T, T-Mobile, Sprint, Verizon) (Blue) MFI Apple Certified IONIC 2000 mAh Battery Case for Apple iPhone 5/iPhone 5S 2013 Smartphone (AT&T, T-Mobile, Sprint, Verizon) (Blue) The powerful 2000mAh built-in battery can effectively double the battery life of iPhone 5, which adds additional 8 hours of talk time and 10 hours of web browsing time. The case featuring a MicroUSB input port and lightning output port, and can be charged together with the iPhone via included the MicroUSB cable. The case also has the following functions built-in: charging switch, LED battery level indicator, charge & sync through the case, headphone jack cutout, function button cutouts. MFI (Made for iPhone) Certification Pending