... charging cycle 3,2 USB output socket Portable power 4800mAh compatible with mobile phone and ipadFeatures:1.Suitable for nearly all kinds ... .2.Providing several different charger adaptors.Compatible with each kind of mobile phone and digital products with USB function,eg.iPhone, iPad,PDA ... from PC directly. When charging, the LED will light on one by one in blue light , and will switch off when it ...