CyberSquare High Capacity Portable Charger - Pocket sized Power Bank with 5600 mAh for Phones and Tablets (Black) Excellent capacity with 5600mAh and DC 5V/1A (Standard Micro USB Port) Beautiful design with simple to use two step process Comes with USB and useful ring key chain for storage purposes Superior A+ Lithium-Ion battery with over 500 battery charge cycles; Securely designed to avoid short-circuit and over ( Will shut down if a short circuit or overload occurs) Compatible with USB charging devices including Iphones, Android phones, Tablets and more