Yeah, it's not so much efficiency.. phones don't have that big batteries anyways. I would be more concerned about charging speed and heating. Inefficiency imp

Yeah, it's not so much efficiency.. phones don't have that big batteries anyways. I would be more concerned about charging speed and heating. Inefficiency implies heating :) And wow, do I love charging my phone using my laptops USB-C charger.. it's just so fast! I don't really see the appeal of wireless charging. Faster direct charging would be a bigger win, IMO.