Battery chargers; Rechargeable batteries; Solar batteries; Batteries and battery chargers; Galvanic batteries; Batteries for use in hearing aids; Electrical outlets; Telecommunications equipment, namely, fiber-optic transceivers, fiber optic repeaters, converters and optimizers, wave division multiplexers, free-space optics transmission systems, switches including Ethernet switches and routers, fiber-to-the-home and ethernet-over-VDSL access aggregators, terminators and repeaters, and remote presence management products, namely, switches, and console, alarm, sensor and power management devices; Power switches; Power controllers; Power adapters; AC/DC power supplies; Electric and electronic video surveillance installations; Surveillance cameras; Control systems for airport baggage handling systems, consisting of a single or multiple programmable controllers (PLC) with input and output features for digital devices, with capability of being connected to external supervisory computers; Access control and alarm monitoring systems; Elevator performance controllers for monitoring elevator functions; Portable power chargers; Solar-powered rechargeable batteries