... friendly 3.charged for mobilephone,Mp3,Mp4,Mp5,etc. solar backbag:Can live up to the public's expectationsUp- ... popular among the young peopleWaterproof, shock,rust resistantWorks in all weather conditionsSolar cell’s efficiency can get to above ... low-carbon toughened glassAnti-reflection cover glass delivers more energySolar cell :high efficiency crystalline solar cell, even if under the weak ...