Batteries, accumulators, galvanic cells, electric primary and secondary cells, microbatteries, hearing aid batteries, equipment batteries, industrial batteries, storage batteries, lithium batteries, lithium accumulators, zinc-air batteries, nickel-metal hydride batteries; fuel elements and fuel cells; gas generating cells, in particular cells for generating oxygen and hydrogen; equipment and apparatus for charging, testing, maintaining and monitoring the aforesaid goods; rectifiers, switching equipment, switches and capacity meters for all the aforesaid goods