It’s now possible to wirelessly charge 40 smartphones from 16 feet away

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Korean researchers have shown it’s possible to wirelessly transmit power over a distance of 16 feet and charge up to 40 smartphones.

Mike Mitchell‘s insight:

This headline is grabbing, but what I wonder how many real applications need 100W transferred at 40% or less efficiency.  I’ve heard elsewhere that California’s efficiency regulations may make 70% efficient systems like Qi illegal. 

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