... , mp3 and camera. 2,Flexible high efficiency solar panel. 3,CE,ROHS report. quality portable solar bag 1,Charge mobile phones, mp3 and ... and others device Charge time=MP's battery power/solar bags's battery output power As iphone charge time=5.5w/5v*0 ... .5A=2.2hours Part2 solar battery More solar bag\Use of normal-power solar panels, normal lithium batteries. Low cost.Can ...