Naztech 5000mAh Dual Port Ultra High Capacity Portable Battery Charger for Micro USB Devices Charge Up to 3 Devices Simultaneously, Rechargeable Li-Polymer Battery, Compact and Simple to Use Capacity: 5000mAh, Battery Type: Li-Polymer, Protection: Short Circuit / Overcharge USB Output: USB Port 1: 5V/2.1A, USB Port 2: 5V/1A, Micro USB Cable: 5V/1A Compatible With: Most Phones