9 Measuring or testing machines and instruments, namely, electric energy test benches for battery testing and simulation, for bi-directional electrical power supply units, electric simulation units for high voltage battery pack test units in the nature of high voltage battery pack testers, electronic apparatus for measuring and testing electrical loads, electronic data loggers, electric meters, electric inductance meters, electric capacitance meters, electric resistance meters, electric impedance meters, electric current testing meters, electric wavelength meters, electric frequency meters, electric frequency counters, electric voltage testers, electric amperage testers, electric power meters, and voltmeters; battery chargers for electric vehicles; electric power supply units and replacement parts therefor; electric power, voltage, current regulators; electric power supply regulators; electric power distribution units; rotary converters; phase modifiers; electric current meters and testers; magnetometers and magnetic testers; electric wires and cables; downloadable computer software and firmware for controlling electrical power supply units; downloadable computer programs and software used to monitor, manage and control electrical power supply units, electronic loads, bi-directional power supply units, electric energy test benches for battery testing and simulation, for bi-directional electrical power supply units, electric simulation units for high voltage battery pack test units in the nature of high voltage battery pack testers, electronic apparatus for measuring and testing electrical loads, electronic data loggers; electronic machines, devices and their parts, namely, electronic circuits, simulators comprising computer hardware, and emulators comprising computer hardware for testing batteries, motors, and inverters; downloadable electronic publications in the nature of books, magazines, newsletters, articles and brochures in the fields of electronics, electric power distribution and electric power control