mophie juice pack for Samsung Galaxy SIII (2,300mAh) - Black Rechargeable 2300mAh battery extender and protective case in one More than doubles the battery life of the Samsung Galaxy SIII - Up to 270 hours of standby time. Up to an additional 6 hours of Talk Time. Up to 36 hours of additional audio playback. Up to an additional 9 hours of video playback. Soft touch finish - Sleek design includes a new, soft touch, rubberized finish that mirrors the look of the Samsung Galaxy SIII Quick recharging speed. Completely recharge phone in 1 1/2 hours. 4 LED Light Status Indicator - Tells you how much "juice" you have left in the case for charging.