Supply home solar system solar panel 18V/20W 1.solar panel:18V 20W 1PCS 2.battery:12V17AH 1PCS Product Description 1.solar panel:18V 20W 1PCS2.battery:12V17AH 1PCS 3 ... and solar module from 1.5W-180w (1.5w, 2.5w, 5w, 10w, 20w, 40w, 50w, 60w, 80w, 85w, 125w,135w, 150w ... according to different requirements flexiblelyReliable businessman Product Show Others: Supply home solar system solar panel 18V/20W