Inverters; Batteries and battery chargers; Battery chargers; Cable connectors; Circuit breakers; Connections for electric lines; Converters for electric plugs; Electric cables, wires, conductors and connection fittings therefor; Electronic components in the nature of capacitors, connectors, filters, oscillators, relays, switches, transformers, resistors, semiconductors, integrated circuits, rectifiers and transistors; Monitoring devices for monitoring battery performance characteristics; Off-...