Sabrent 12000mAh High Capacity External Backup Battery Charger Power Bank Charger with Dual USB Port (PB-W120) Ultra High Capacity, 12000mAh, extend 70 hours of talk time or 35 hours of video play back time (iPhone 4). Super-fast charge output (5V / 3A total) through dual USB ports (5V / 2A and 5V / 1A) allows for simultaneous charging of your iPad, iPhone, Android and more at high speeds. Smooth, ebony varnish allows you to power up in style, while 4 status LEDs keep you informed of remaining capacity. 3.1 amp Max Output allows you to charge 2 devices at the same time. iPhone / iPad Compatible with all mobile phones charged by USB port. Includes a Micro USB cable.