9 Apparatus and instruments for conducting, switching, transforming, accumulating, regulating and controlling electricity, in particular ignition batteries, electric batteries for vehicles, electricity conduits, battery cables for motor vehicles, power cables for motor vehicles, battery starter cables for motors and engines, insulated and non-insulated electric wires and electric cables, in particular made of copper, aluminum or metal alloys, electric wires, electric cables, fuse wires made from metal alloys, connections for electric lines, electrical connectors, battery terminals, electronic and electric connectors, join sleeves for electric cables, electric switches, electric disconnectors, housings for electric switches; calculating machines; data processing and computer apparatus, in particular data processing equipment, in particular integrated circuits for motor vehicle electronics, in particular for measuring the respective battery condition; junction boxes for electric wires; electric and electronic circuit boards; electric and electronic circuits; integrated electric circuits; printed circuits; analog circuits