batteries, electric; battery chargers; plates for batteries; solar panels for the production of electricity; high tension batteries; photovoltaic cells; photovoltaic modules; photovoltaic apparatus for the production of electricity; photovoltaic inverters; crystalline silicon solar cells; solar batteries; photovoltaic cells and modules; photovoltaic apparatus and installations for generating solar electricity; solar-powered battery chargers; accumulators, electric; silicon chips; single-crystal silicon wafers; silicon wafers; solar wafers; collectors, electric