... *40mm 4.No. of cells: 6*12 (72pcs) 180W Solar Panel with High Conversion Rate 180W Solar Panel, mono solar panel module, solar panel, solar panel module, mono solar panel, monocrystalline silicon solar panel module, solar cell plate. Specification ... °c Pressure 2400Pa Number of cells 6x12 ( 72pcs ) Material 1. Imported class-A monocrystalline silicon solar cell 2. Best quality EVA layer 3 ...