9 Scientific apparatus and instruments, namely, a hydrogen battery system and parts and fittings therefor, namely, fuel cells, converter, battery, hybrid inverter, electrolyzers to produce hydrogen gas using electrical energy, water purifying apparatus and electronic controller modules, all integrated with hydride containers for storage of hydrogen gas in solid state, and sold as a unit, in the field of hydrogen battery systems; apparatus for conducting, switching, transforming, accumulating, regulating or controlling the distribution of electricity, namely, a hydrogen battery system and parts and fittings therefor, namely, fuel cells, converter, battery, hybrid inverter, electrolyzers to produce hydrogen gas using electrical energy, water purifying apparatus and electronic controller modules, all integrated with hydride containers for storage of hydrogen gas in solid state, and sold as a unit, in the field of hydrogen battery systems; batteries; battery chargers; battery charging apparatus for vehicles and bikes; battery housing covers, namely, covers and containers specially adapted to transport and store hydrogen batteries; battery packs; power packs and power sources, consisting of portable power packs and power sources, namely, hydrogen-based power packs and power sources for the production of power and energy; battery systems and equipment for storage and supply of power to entire dwellings, buildings and man-made fixtures, namely, hydrogen battery systems and parts and fittings therefor, namely, fuel cells, converter, battery, hybrid inverter, electrolyzers to produce hydrogen gas using electrical energy, water purifying apparatus and electronic controller modules, all integrated with hydride containers for storage of hydrogen gas in solid state, and sold as a unit, in the field of hydrogen battery systems; downloadable computer software for use in managing, controlling, monitoring and optimising functionality of fuel cells, converters, batteries, hybrid inverters, electrolyzers, water purifiers, metals and metal alloys, metal alloy vessels and control modules, for use in the field of hydrogen battery systems; downloadable computer software for use managing hydrogen battery systems; headwear for sporting activities, specifically adapted for protection against injury, namely, protective sports helmets; clothes incorporating reflective material for prevention of accidents; Electronic equipment for the electrolysis of water into hydrogen, namely, electric power supplies; fuel cells