Battery-based power supply units; batteries; power modules, namely, photovoltaic modules, rectifiers, transistors and diodes, electric batteries for powering electric drones and aircrafts; power cables; downloadable and recorded software for storing, broadcasting and analyzing videos made by drones; wired electric power devices for drones and aircrafts, namely, wired electric battery chargers for drones and aircrafts, wired electric power devices for conveying, distributing, transforming, sto...