Powerocks ThunderPower Cirrus 9000mAh Portable Battery Charger Bank - Black - 4.5A Output: Highest output in the market, featuring a 4.5A total output capable of simultaneously charging 2 devices, making it faster and more powerful than the rest. - Ultra-High Capacity: 9000mAh charges smartphones multiple times and most tablets once. Safely recharges with a 2 amp or higher output charger (most phone chargers have only 1 amp). - Unique Design: Smooth, pocket size, sleek finish allows you to power up in style, while 4 status LEDs keep you informed of remaining battery capacity - Highest Output Charging: Two USB ports with 2.1A & 2.4A output means you can swiftly and simultaneously charge two devices at once. Plug in and instantly charge - no buttons or on-switch required - What You Get: Powerocks Portable Charger, USB to Micro USB charging cable, travel pouch, & user manual. Lightning cable for iPhone / iPad sold separately.