9 Solar energy collectors in the nature of photovoltaic cells also including a thermal collector sold as a unit for electricity generation, apparatus and instruments for conducting, switching, converting, accumulating, regulating and controlling electricity, in particular battery chargers, incorporating dischargers, test apparatus, and electrical power subdistribution boards of 230V; software, in particular for monitoring the charging cycle of batteries, for the management of bus depots, and for the control and recording of data and conditions in networked charging installations; electronic heating control apparatus; voltage regulators and charge regulators for heating installations, solar thermal installations or thermal solar installations, photovoltaic apparatus, in particular solar cells, voltage charge regulators; voltage charge regulators with load regulators, in particular for the aforesaid solar cells; electronic sensor technology and sensors for identifying physical quantities of ambient temperature, solar module temperature, battery temperature, inverter temperature; temperature sensors; circuit boards, printed and non-printed; electric cables; cable assemblies; metal switch cabinets specially adapted to protect telecommunications equipment; battery charging systems; battery voltage testers; automatic winding wire spools for electric cables; electric connectors and connector plugs, volume flow water meters; calorimeters, temperature sensors; dip sleeves (or immersion sleeves) to fix temperature and other sensors; network connection cables; remote displays/display apparatus namely, display unit with multi-networking (TCP/IP) capabilities and remote connectivity; data loggers; interface converters; modems; heating regulators namely, heat sinks for use in electronic components; relay/switch boxes; dispensers that count or measure output for use with cable; scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking and supervision, life-saving and teaching apparatus and instruments, namely, toys and construction sets powered by solar cells to be used for teaching children; apparatus for recording, transmission or reproduction of sound or images; blank magnetic data carriers, data processing equipment and computers, computer programs for sizing solar systems for simulating solar irradiation and energy production; electric measuring, signalling and checking and supervision instruments included in this class, namely, multimeters for measuring voltage and current and solar irradiation, solar charge controllers, temperature difference controllers and inverters; data processors, programmed data processors, in particular for the aforesaid goods; current and voltage converters, transformers, photovoltaic cells and modules; electric voltage transformers, in particular DC transformers or current converters; voltage regulators for maximum power conditioning in solar cells for the aforesaid goods except balances (mechanical or electronic), measuring sticks and ergometers and parts therefor