Battery chargers; Computer hardware; Computer memory devices; Computer peripheral devices; Converters for electric plugs; Couplings, electric; Data cables; Data processing equipment, namely, couplers; Disk drives for computers; Electric connections; Interfaces for computers; Low-voltage power supplies; Magnetic object detectors; Optical disk drives; Plug adaptors; Rechargeable electric batteries; Solar batteries; Solar panels for the production of electricity; Voltage stabilizing power supply; Blank magnetic disks; Blank USB flash drives; Electrical plugs and sockets