9 Batteries; Computer servers and data processors for hydrogen system operation and performance analysis; Electronic data loggers and recorders for monitoring and analyzing hydrogen production and consumption; Downloadable mobile applications for remote monitoring and control of integrated hydrogen energy production systems; Electric control devices for hydrogen energy production system management; Electronic components and devices for power management, voltage regulation, and safety control in hydrogen energy production systems, namely, voltage regulators, electrical switches, circuit breakers; Electronic control devices and sensors for managing and regulating hydrogen flow in hydrogen fuel cells; Electronic data storage devices, namely, hard disk drives, for storing hydrogen production and distribution data; Fire suppression systems and component parts thereof, for use in hydrogen handling and storage systems comprised of charged bottles, charge gauges, mounting bases and straps, pull cables, nozzles, fittings, tubing, and stickers; Hydrogen fuel cells; Hydrogen sensors, meters, and analyzers; Metal-hydrogen batteries; Pressure relief valves for hydrogen handling and storage systems