solar energy We are manufacturer,can do OEM. Certified to TUV,CE,ISO9001 Warranty:7 years solar energyWarranty on solar module:We Macro-Solar provide 2 ... if under the weak light, the solar panel can produce maximum power output.Features on solar module:1) High conversion efficiency based ... irradiance performance.6Kyoecra technology, good looking and long life. S5163 solar energy solar panel