computer software, recorded; AC/DC inverters; ultracapacitors for energy storage; integrated circuits; semiconductor devices; inverters [electricity]; electric devices for controlling energy; remote controls; converters, electric; AC/DC converters; condensers [capacitors]; current rectifiers; electric installations for the remote control of industrial operations; automation systems for power plants; electric control devices for energy management; sodium-sulfur batteries; solid-state batteries; auxiliary battery packs; frequency converters