Battery charging devices for motor vehicles; Microcontrollers for internet of things (IoT) enabled devices; AC/DC inverters; Rechargers for electric accumulators; Electrical storage batteries; AC/DC power supplies; Photovoltaic installation apparatus, namely, solar modules for production of electricity, solar thermal and electric receivers, tracking mechanisms and concentrating optics, and control algorithms; Solar-powered battery chargers; Programmable controllers and actuators that track th...