200W Solar Panel 1.Imported solar cells 2.High efficiency of solar cell 19% 3.25 years ... lifespan 4.10 years warranty 200W Solar Cells, solar panel, solar panel module, mono solar panel, monocrystalline silicon ... Operating temperature -40°c~80 °c Pressure 2400Pa Number of cells 6x12 ( 72pcs ) Material 1. Class-A monocrystalline silicon solar cell ...