9
Electric battery and accumulators; devices for charging, discharging or re-charging electrical storage batteries; electric rectifiers, invertors and converters for charging, discharging or re-charging electrical storage batteries; charge rectifiers for uninterruptible power supplies (UPS), for electric vehicles, for forming systems for initial charging, for photovoltaic installations with electrical storage units, for stand-alone electrical supply systems with electronic storage units; regeneration devices for re-storing the electro-chemical properties of electrical batteries and storage batteries; devices for testing the electro-chemical properties of electrical batteries and storage batteries, in particular for testing charging capability, behaviour under load, internal resistance; computer programs for controlling the charging, regeneration or testing process of an electrical battery or an electrical storage battery
36
Trading in electrical energy
37
charging and re-charging of electrical storage batteries; regenerating electrical storage batteries and batteries; electrical layout of electrical storage batteries and batteries
39
Storage and distribution of electrical energy
42
Testing of the electro-chemical properties of electrical batteries and storage batteries; design of electrical storage batteries and batteries; devising of computer programs for controlling the charging, regeneration or testing process for an electrical battery or an electric storage battery