... rate, high efficiency output;3. excellence in weak light effect;4. high transmittance of high quality tempered glass;5. unique technology ... reflection, improve the conversion efficiency of photovoltaic modules.4, Maximum system voltage greater than 4*1000VDC.5, Life of it up to 26 ... , 25 years at 80% of the minimal rated power output.4. Certificate: ISO9001:2000, CE, TUV, UL, IEC.5. OEM or ...