9 Electronic systems for use in boats, namely electric and hybrid vehicle drive train systems composed of internal combustion engines, generators, electric motors, power controllers, inverters, computer software and computer firmware; electronic systems for use in boats, namely energy management systems composed of an electric controller, batteries, chargers, computer software and computer firmware; electrical controllers, electric converters, battery chargers, inverters, and accompanying computer software for use in the operation and control of electric and hybrid vehicle drive train systems, energy management systems, energy storage systems, and the components of the systems