I have done some research on the drone charging solution and found these 5 different drone charging companies, I will explain how this drone charging works with the corresponding pictures, and all the pictures are taken from their websites. 1. American Robotics The drone charging solution American Robotics has developed is the first one that has won FAA approval, it integrates the self-charging system with the data collection and analysis. How does the charging work? After the mission is completed, the drone will automatically and precisely land on the round convex charging base, the ring beneath the landing gears will perfectly be matched with the charging base, then the whole charging base will lower down to the box and start to charge the drone. If a mission starts, the cover of the drone will open autonomously before the charging base is elevated, then the drone is ready to take off. Highlights: Pilotless operation via cloud link Highest resolution of...