240W Poly Solar Panel Module 1) polycrystalline silicon 2) 17.3% convertion rate 3) 25 years lifespan 4) ... Module, solar panel, solar panel module, mono panel, polycrystalline solar panel, poly silicon solar panel module, solar cell plate. Specification Poly ST ... . of cells 6 x 10 (60pcs) Material 1. Class-A polycrystalline silicon solar cell 2. Best quality EVA layer 3. Tempered glass ...