... :8-9 hours 4.Portable backup charger. mobile power Product description:Size: 110*70*16.5(mm) ... than 80%4,Intelligent control , Microcomputer intelligent power monitoring and led display for the current5,Apply with all ... example , mobilephone,MP3,MP4,GPS,bluetooth,digital camera and so on6,can charge at any state , Plug ... your equipment at anytime, anywhere. 5000mAh mobile power for iPhone4 and iPad2