... ,CE,ROHS,TUV 3)OEM 4)Life span 25year Poly Photovoltaic Panels 280WPITEM NO.: SY-280PCell Type: Poly-crystalline Silicon Solar ... Type: Passed the TUV certified Length of Cables (mm): 900mm Connector Type: MC4 Frame (Material, Corners, etc.): Anodized Aluminum Alloy Cell Efficiency ...