G Power 8400 mAh Universal Portable Charger External Battery Pack With G Power IQ for iPhone 5S, 5C, 5, 4S, iPad Air, mini, Galaxy S5, S4, S3, Note 3, Galaxy Tab 3, 2, Nexus 4, 5, 7, 10, HTC One, One 2 (M8), MOTO X, G, LG Optimus, PS Vita and other Smartphones and Tablets Power G Technology intelligently communicates with connected devices to maximize both compatibility and charging speed (up to 2 Amps). 8400 mAh of capacity and an energy efficiency rate 20% above current standard alternatives charges the iPhone four times and large-capacity phones like the Galaxy S4 almost Three times. A "Knight Rider" like display of blue light flashes across the sleek screen to signify how much battery is left while charging up to 2 devices. Sturdy construction and matte finish can withstand bumps and drops. Grade A cells and premium chips ensure reliability. Input: 5V / 1A; Use a 1A adapter (not included) with the included USB cable plus 3 connectors for the fastest charging time (6 hours). Package contents: G Power Tech External Battery, micro USB cable, mini USB cable, DC3.5 switch cable and 3 connectors compatible with: Apple, Samsung, Sony Ericsson, LG, Nokia and PSP