Filling level detectors; Connections, electric; Voltage regulators; Chargers for electric batteries; Electric capacitors; Rechargers for electric accumulators; Battery charge devices; Plug connectors; Galvanic batteries; Dry cells; Photovoltaic cells; Fuel cells; Nickel-cadmium storage batteries; Mobile telephone batteries; Electric batteries; Battery cases; Accumulators, electric; Accumulator boxes; MPEG audio layer-3 players; Adaptors for use with portable electronic devices; Mobile telepho...