3600mAh portable power pack (for Cell phone, iPhone, MP3/MP4, iPod, PSP, all digital devices charged via USB port) Love this powerful electricity ... days at home. A mini USB port designed for daily powering to the power pack itself, and dual USB ports with ... Mini USB, LG, Sony Ericsson, Apple) 3600mAh portable power pack (for Cell phone, iPhone, MP3/MP4, iPod, PSP, all digital devices charged via USB ...