Sharper Image Thinnest and Lightest Charging iPhone Case is reliable and powerful. It hosts a variety of functions that, once familiarized with, will enhance the user experience tenfold. Firstly, the case protects your phone without adding bulk. Secondly, with a 1,500mAh battery for the iPhone 6 and a 2,000mAh battery for the iPhone 6+, the case can fully charge your phone.