... 200w (120w * 2) , 17%Conversion3,Solar Special Battery:Free maintance 12V / 300AH ( lead-acid type / protection)4, LED light:12V/30W , 21.55 LUX ... and minimum illuminance):4.5 lx / 2.0 lx , Degree of uniformity=Emin/Eav=2 / 4.5 =0.44>0.3511,Suitable width ... according to customer's demanding 15,Warranty:LED: 5years, Battery: 3 years, Controller: 2 years, solar panel: 5years 30w LED solar street light