... can produce solar panel and solar module from 1.5W-180w (1.5w, 2.5w, 5w, 10w, 20w, 40w, 50w, 60w, 70W,80w, 85w ... polycrystalline solar cell,efficiency range 14%-18%, cell size 5/6. 4). Refer to the customers LOGO, Can be printed on the solar panel ... or solar module, 5). Refer to our factorys advantage,Good quality and reasonable priceProduce according to different ...