Amorphous silicon photovoltaic cells; Crystalline silicon photovoltaic cells; Crystalline silicon solar cells; Heliostats for use with electricity-generating solar panels; Monocrystalline silicon photovoltaic cells; Photovoltaic cells also including a solar thermal collector sold as a unit; Photovoltaic cells and modules; Photovoltaic solar modules for production of electricity; Plates for batteries; Polycrystalline silicon photovoltaic cells; Solar-powered battery chargers; Solar batteries; ...