Split transformers for power transmission exist, but are rare. Here's a 3 KW sys...

		Animats on April 13, 2024 \| parent \| context \| favorite \| on: Show HN: My $1k self-install, off-grid solar backu... Split transformers for power transmission exist, but are rare. Here's a 3 KW system used for non-contact charging of electric forklifts, industrial mobile robots, and such.[1] 93% efficiency claimed. Probably not worth the trouble just to get power through a window. [1] https://www.wiferion.com/us/

Witricity is trying to do the same with electric cars.