solar street light design calculation

{"title":"Aluminium 60w Solar Panel Street Light 3030 LED Outdoor Street Light CE ROHS","imgUrl":"https:\/\/img.chinax.com\/nimg\/99\/60\/4d042e79a67314afadb4304a3669-200x200-1.jpg","attrs":{"Brand Name":"Aina","Model Number":"AN-Solar-60W-AC","Minimum Order Quantity":"10","Delivery Time":"7 days for samples","Certification":"CE, ROHS","Place of Origin":"China","Payment Terms":"T\/T, L\/C, Western Union","Supply Ability":"1000 pieces per day","Packaging Details":"Carton","Led":"3030 LED","Type":"Street light","Power":"60w","Material":"Aluminium","Input":"AC220-240V","CCT":"3000k\/4500k\/6000k","Ra":">80","Delivery":"7 days"}}

{"title":"Super Brightness Solar Powered Outdoor Street Lights Water Resistant 15000LM","imgUrl":"https:\/\/img.chinax.com\/nimg\/78\/f4\/ca3774502447f1ef1a5a314ff5fa-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Hengstar","Model Number":"HS-LED Street Light","Minimum Order Quantity":"100 Piece\/Pieces","Certification":"CE, EMC, LVD, RoHS","Place of Origin":"Guangdong, China","Supply Ability":"20000 Piece\/Pieces per Week Solar Led Street Light","Packaging Details":"Packing in Cartons, Solar Led Street Light","Lamp Luminous Flux(lm)":"15000","Input":"3.2V","RA":"80","Item":"Outdoor Solar Led Street Light","Item Type":"Street Lights","LED Light Source":"COB","Lamp Luminous Efficiency(lm\/w)":"100","Color Temperature(CCT)":"2700-6500K"}}