... 3.controller: 12V 3A Product Description 1.solar panel:18V 20W 1PCS2.battery:12V17AH 1PCS 3.controller: 12V 3A4.loads:12V3W ... LED light*2PCS+9W DC fan5.working time:7-8 hours per day, last working ... from 1.5W-180w (1.5w, 2.5w, 5w, 10w, 20w, 40w, 50w, 60w, 80w, 85w, 125w,135w, 150w, 165w, 180w ...