i-Blason Google Nexus 5 Battery Case - PowerGlider Rechargeable External Battery Full Protection Case AT&T, Sprint, Verizon. T-Mobile i-Blason (TM) logo bearing Glider Battery Case for Google Nexus 5 Included in the Package: 1X Google Nexus 5 battery case slim slider design + 1X Micro 5 pin USB Cable Capacity: 2,500mAh = 1 full charge of Nexus 5 internal battery, Input: 5V/800mA, Output: 5V/500mA Easy Access to all Functions, Controls, Speakers and Cameras LED power indicator for battery power level, on-off power to control when to use the extra power One Year Limited Warranty from i-Blason LLC.