... ,CE,RoHS, ISO90012008 3).Monocrystalline High efficiencyCE, TUV junction boxLifetime:25yearsWarranty:2years90% power 10 yearSpecification DataCellMono-Crystalline silicon solar cells, No. of cells ... /m2 Cell temperature:25°C250w solar panel mono crystalline silicon solar module for PV home system 250w solar panel mono crystalline silicon solar module for PV home system