... / 200w (120w * 2) , 17%Conversion3,Solar Special Battery:Free maintance 12V / 300AH ( lead-acid type / protection)4, LED light ... , lifespan>50000 hours5, Protection Rating: IP656,Controller: HY400/150-24 (12V/ 10A) 7,Battery box :Underground buried type, waterproof8,Pole :4m, hot ...