1)High module conversion efficiency up to15.5% 2)25 ... Solar Panel, Positive Tolerrance,High Efficiency,TUV,MSC,CE Certified characteristics:1. high-efficient and stable2. take ... aluminum frames with convenient mounting-access, for high wind-press and snow-load6. the backside frames ... decrease of output power within 10 years and under 20% decrease within 25 years9. customer-desired packing10. ...