... ).CE certificate 20 watt solar panel18V, monocrystalline sillicon module, encapsulated with glass, with aluminium frame and junction box.with mounting ... circuit board)(C). Wmp range: 1W-60W, to be encapsulated with PET, on stainless steel, with holes for assembling purpose ... .(D). Wmp range: 1W-180W, to be encapsulated with tempered glass, EVA,TPT, together with aluminium frame, ...