Accumulators; Accumulators and batteries; Accumulators, electric; Apparatus for converting electronic radiation to electrical energy, namely, photovoltaic roofing members; Apparatus for converting electronic radiation to electrical energy, namely, photovoltaic solar modules; Apparatus for converting electronic radiation to electrical energy, namely, photovoltaic thermal hybrid module; Batteries and battery chargers; Battery charge devices; Consumer electronic products, namely, audio amplifier...