Variometers; Accumulators, electric; Apparatus and instruments for conveying, distributing, transforming, storing, regulating or controlling electric current; Batteries, electric; Battery boxes; Battery charge devices; Battery chargers; Converters, electric; Current rectifiers; Downloadable computer software for controlling and managing access server applications; Electric control panels; Electric installations for the remote control of industrial operations; Electrical distribution boxes; Lightning conductors; Plates for batteries; Recorded computer operating software