... for overcharge, over discharge, overloading, and short circuit.-The mobile power pack fits for mobile phone, Mobile phone, MP3/MP4, PSP ... PlayStation PSP, MP4 player, MID and other digital products-Power bank have low-power mode for saving electricity Product size:94*22*20 ... kg/ctncarton size:493*343*185MM20GP:52500PCS40GP:101250PCS 2200 mAh Power Bank charger for mobile phone,MP3 MP4 PSP Ipod build ...