Fast charging Mini USB Battery Pack

Fast charging Mini USB Battery Pack Safety For Charge Electronics 5Volt 2.1A Built-in Dual Portable USB Power Bank For All Kinds Of Charge Electronics Descrition: - Compact & Portable design ensures you the perfect On-the-Go experience - High capacity battery, High efficiency output. - Intelligent MCU controller, monitoring various operating status. - Over current and short circuit protect. - Suitable to IPHONE, PSP, MID, cellphone, MP3,GPS and similar devices. - Cell type is