LifeProof Fre Power External Battery Case for Apple iPhone 6 and iPhone 6S - Blacktop Designed to protect and complement your Apple iPhone 6 and 6s 2600 mAh capacity delivers reliable backup power to your phone. Slim construction offers a sleek look and feel. Submersible in up to 6.6' of water to protect your phone against water damage. Impact drop protection Safeguards against harm caused by accidental drops.