testing machine for batteries; alkaline accumulator and lead accumulator; starter batteries, electric motor vehicle batteries, dry batteries, and stationary batteries; accessories for the above-named accumulators and batteries, namely cell stoppers, water refill stoppers, and water refill devices used for refilling batteries with water; acidity measurers, connection cables, and connection plugs; battery charging devices, namely charging panels and charging cables, battery testing devices; direct current and alternating current converters for emergency power generators and battery charging devices; electrical relays for the foregoing devices; computers and utility programs therefor; data processing machines and computers; operational monitoring devices and steering devices for batteries and accumulators, especially for the unloading (discharging) and charging of batteries and accumulators; power supplies; electrical switching equipment for safety lighting installations; voltage regulators for generators in motor vehicles

lease of alkaline accumulators and lead accumulators, starter batteries, electric motor vehicle batteries, and dry batteries, stationary batteries and alternative power generating systems, battery charging equipment and battery test equipment