Galaxy S6 Battery Case,iFansSamsung Galaxy S6 Battery Case 3500 mAh Charger Case Rechargeable Backup Portable External Power Pack for Samsung Galaxy S6 G9200 2015 Release [Ultra Slim] with Elite Design + LED Charge Indicator Light [12-Month Warranty]--Black Designed Specifically for samsung galaxy s6 2015 Release Bumper DesignCover for Easy Installation and Dismount,Use strong material to protect your iPhone along its sides. 3500 mAh Super Charged (Built-in) Battery Access to all controls, buttons and camera holes Power LED Indicator, Will indicate the level of power your battery case is currently charged. Charging Power Level: 1 Light = 25%, 2 Lights = 50%, 3 Lights = 75%, 4 Lights = 100%