Accumulators and batteries; Batteries and battery chargers; Battery charge devices; Charging appliances for rechargeable equipment; Electrical outlets; Inverters for power supply; Power adapters; Power connectors; Power strips; Power supplies; Power supply connectors and adaptors for use with portable electronic devices; Power wires; Rechargeable batteries; Renewable battery system to provide backup power; Solar panels for production of electricity; Uninterruptible electrical power supplies; ...