Boostcase Battery Case for iPhone 6s and 6 - 2200 mAh - 80% Extra Battery (Gold - BCH2200IP6-GLD) Made for iPhone 6s and 6 Rechargeable 2200mAh battery sleeve adds over 80% recharge for iPhone 6 and easily attaches/detaches from the snap case using a patented locking system Dedicated toggle-switch to turn your battery on and off LED light bar shows remaining battery level by increments Simultaneously charge & sync your iPhone and Boostcase