... are certified by TUV IEC(Germany),MCS(UK),CEC(Australia),Solar Product Certification(CQC),CE(SGS). ELECTRICAL CHARACTERISTICS Model Number KM275 ... .214.514.715.015.215.5Cells per Module Pcs72Cell Type Monocrystalline siliconCell Size mm156 x 156 Bypass Diodes Pcs12Amp, 6 pcsMax ... Glass 3.2 mm, high transmission, low iron 270-300W Monocrystalline Solar Panel