Features Slim, lightweight and compact design for portability. 3000mAh built-in battery will provide your Galaxy S4 up to 1.5x the needed charge. Power LED Indicator - Will indicate the level of power your battery case is currently charged. Doubles your iPhone battery power to keep you going throughout the day, essential for traveling, camping, road trips, hiking, business trips and other occasions. Easy access to all ports, switches and buttons. Specifications Capacity: 3000mAh Li-Polymer Rechargeable Battery Weight = 0.2 lbs Input Voltage: 5.0V/1.5A Output Voltage: 5.0±0.25V/1.6A Charging Power Level: 1 Light = 25%, 2 Lights = 50%, 3 Lights = 75%, 4 Lights = 100% Protection: Short circuit and Overcharge micro USB cable (can be used for data transfer for Android and PC compatible devices such as Macbooks and Laptops to sync music, photos, videos and files).
