Wireless power recharges drones
WiBotic in the US is using Vicor’s 400W 48V high-efficiency DC-DC converter for an autonomous wireless charging system that can handle any type of drone or battery-powered industrial robot
[EE News Power](https://www.eenewspower.com/news/autonomous-wireless-charging-boosts-drones-and-industrial-robots)
Questions:
- How is the power regulation done ? optical / wireless / inductive coupling?