... test 3.CE,TUV,UL certificate 4.Solar panel with 280w solar panelsRT modules will last for at least ... 10 years, 80% after 25 years solarpanel 280w monoSolar Panel Data SheetDescription of SpecificationConfigurationUnitsModel72-280MGeneral DataNominal Power Watts280WApplication ... customer’s specific requirementsEasy Installation & Maintanance SOLAR solarpanel, solar systems, solar panel 24v 280w 300w