Description: Photovoltaic inverters; photovoltaic modules; photovoltaic cells; photovoltaic solar modules; accumulators for photovoltaic power; photovoltaic installations for generating electricity being photovoltaic modules for production of electricity; photovoltaic apparatus for generating electricity being photovoltaic modules for production of electricity; calibrated photovoltaic reference cells; photovoltaic apparatus and installations for generating solar electricity being photovoltaic modules for production of electricity; photovoltaic apparatus for converting solar radiation to electrical energy being photovoltaic modules, photovoltaic roofing members, and photovoltaic cladding panels; solar batteries; solar cells; photovoltaic solar modules for production of electricity; solar panels being solar panels for production of electricity; portable solar panels for generating electricity; solar panels for the production of electricity; solar cells for electricity generation