PhoneSuit PS-MICRO2C-BLU Flex Micro 2600 mAh Battery Pack for iPhone 5 - Retail Packaging - Blue Ultra High Capacity 2600 mAh Battery can double your power or provide up to a full Smartphone charge Integrated Micro-USB connector tip allows you to charge virtually any Smartphone Quick Charge 1 Amp/5 Watt Technology charges your Smartphone at high speed