9 Apparatus and instruments for conveying, distributing, transforming, storing, regulating or controlling electric current; Computer circuit boards; Computer hardware and recorded software systems for measuring and testing electrical power conversion and energy storage systems; Computer hardware for collecting, storing, transmitting and receiving sensor data, namely, temperature, pressure, energy, power, voltage or current; Downloadable computer application software for mobile phones, handheld test tools, namely, software for measuring and testing electrical power conversion and energy storage systems; Electronic circuit board; Electronic control circuits for measuring and testing electrical power conversion and energy storage systems; Electronic regulating and control devices for the operation of light emitting diodes; LED circuit boards; Microchips; Microcontrollers; Microcontrollers for internet of things (IoT) enabled devices; Programmable electronic controllers for measuring and testing electrical power conversion and energy storage systems; Recorded computer software and hardware for measuring and testing electrical power conversion and energy storage systems sold as a unit; Wireless transmitters and receivers