... ,A Grade,High Efficiency, TUV,MCS,UL,CE,CEC,ISO Certified characteristics:1. high-efficient and stable2. take the ... material5. attractive, stable, heavy duty anodized aluminum frames with convenient mounting-access, for high wind-press and snow-load6. the ... within 25 years9. customer-desired packing10. Certificate: TUV, CE, ISO Techinical parameters: maximum power: 230W optimal operating voltage: 29.6 ...