... efficiency For iphone,PDA,MP4... 2200 mAh Universal Portable Power Bank For iPhone Specifications: Capacity: 2200mAh Input: 5v/ ... overcharge, over discharge, overloading, and short circuit. The mobile power pack fits for mobile phone, Mobile phone, MP3/MP4, PSP, NDS, Ipad, Ipod ... , Iphone. Recharge cycles: >500 timesPacking list:Mobile power x 1USB micro USB input line x 1* Package size ...