... 4.OEM acceptable 2012 new products,20w,220v foldable solar system for home manufacturer Specification:This solar power system includes Solar cell modules, ... in 100V~220V 50Hz~60HZ, Design and manufacture as the small AC/DC power supply system, for farmers in remote areas, ... products are special, we have the patent.International design team, from design to proofing, printing, production and whole.We ...