Laminated with high quality toughened glass, EVA and TPT, the operating characteristics of solar cells can be ensured under any climatic conditions. Maximum power output is less than 90% within 10 year, 80% within 25 years. All our products comply strictly with the IEC61215, 3C, ISO 9000, TUV, CE standard. We can offer kinds of solar cell, range from 70W to 260W. Maxmium Power(Pm) 220W, Solar cell:Polycrystalline 156 Cells:60 pcs(6*10)Power tolerance 3%, Open-circuit voltage(Voc)36.3VVoltage at Pmax(Vmp)29VShort-circuit current(lsc) 8.1ACurrent at Pmax(lmp) 7.58A, Dimension of module(mm) 1640x992x50MM. Weight:20KG