Gosh iPhone 6S Battery Case Parallel iPhone 6/6S Portable Charger [Black]-2900mAh Swappable Battery Pack [MFI Apple Certified] Doubles your iPhone 6/6S battery life  more than 10 hours of additional talk time and 14 hours of web browsing. Removable 2,900mah battery that can be swapped out on the fly or removed when not needed. Fully protective slim hardshell case that provides comprehensive protection without compromising utility. The detachable battery allows full access to your headphone and lightning port when needed and has been MFI approved by Apple. Featuring a MicroUSB input port and lightning output port, the case has data and power pass-through enabled. Your iPhone 6/6S can be charged and synced while encased via the included MicroUSB cable.