... :3W (2) For solar light or other solar products using PV solar panel 3W9V, mono, encapsulated with glass, with aluminium frame ... , to be sealed with epoxy resin on PCB (printed circuit board), or to be sealed in plastic directly.(B). Wmp range ... -15W, to be encapsulated with PET, on PCB (printed circuit board)(C). Wmp range: 1W-60W, to be encapsulated with PET ...