Printers and their parts; solar battery module; solar batteries; electric batteries; electric accumulators; electricity supplies for wind turbines; inverters electricity; chargers used for alternative energy systems; electricity supply apparatus for managing alternative energy (solar heat, solar light, waterpower, wind power, waste energy, geothermal energy and hydrogen energy); electric control devices for managing alternative energy (solar heat, solar light, waterpower, wind power, waste energy, geothermal energy and hydrogen energy); inverters used for new renewable energy system (including solar power generation and wind power generation); electricity controller for managing electricity energy; voltage regulators; electric current control devices; current rectifiers; electric power converters; electric power conversion modules; electric power conversion circuits
Electrical and Scientific Apparatus