Antec 23709 Portable Life bar by A.M.P Battery Charger, 13000 mAh Rapid charging, high capacity 13000 mah Can be use with smartphones,tablets,MP3 player, cameras or other USB-charged device 2X2.1A USB ports, built-in LED flashlight Intelligent charging automatically adjusts its power output depending on your device's charging needs Impact resistant- sturdy, rubber coated shell