switching power supply, DC-DC power module, power module for tele-communication, on board power supply, modular wattbox, variable type power supply, cell switches, switches, noise filter, uninterruptible power supply, batteries, sealed-lead rechargeable batteries, galvanic batteries, galvanic cells, high-tension batteries, solar batteries, battery boxes, battery chargers, controls for temperature and process controller/graphical display recorder, accumulators, dynamometers, ammeters, amplifiers, cables, capacitors, circuit breakers, coils, apparatus for commutation of electricity, commutators, conductors electric connections, electricity connectors, contacts, control panels, converters, DC-DC converters, AC-DC converters, current rectifiers, distribution boards, switchboards, distribution boxes, switchboxes, distribution consoles, fuse wire, fuses, electricity indicators, inductors, interfaces, inverters, sleeves for electric cables, limiters, plates for batteries, relays, electric resistances, transformers, transmitters, electrical wires
Electrical and Scientific Apparatus