This protective hard case with an integrated rechargeable battery is designed to double your power. No more worrying about bumps?? scratches?? or having to search for an outlet in the middle of the day. Just flip the switch and charge anywhere.</br>Up to 100% extra battery with the flip of a switch. Turn on the case when your battery runs low to stay fully charged through the late nights.</br>The juice pack for HTC One fits comfortably in your hand and perfectly in your back pocket. It complements the contours of your ph