... efficiency sunpower panel: >16.9% mono or poly: 1W to 300W certificate: CE and ROHS solar panel specification cell: sunpowerNo. of ... Testing conditions: AM1.5, 100W/m2solar panel matarials1).Solar Cell-------Monocrystalline solar cell 125*125mm2).Front Glass-------3.2mm, high ... life, easy installation, strong wind resistance, strong hail resistance.solar panel warranty: Power is not less than 90% in ...