... Weight per piece (kg) 5kgJunction Box Type ( TUV ) Connectors and Cables Type (TUV) Length of Cables (mm) Cell Efficiency (%)≥ ... %Frame (Material, Corners, etc.) AluminumWarranty2 Years products warranty and 25 years 80% of powerStandard Test ConditionsAM1.5 100mW/cm2 ... products which are internationally certified with, TUV, CE, IEC, ISO and RoHS, etc. Currently, Our annual production capacity is ...