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Beginner’s question: battery for switches

Beginner’s question: battery for switches

Is it realistic to expect switches (such as light switches) to become battery powered in the next 3-5 years? What I’m thinking of is the “end of switches” that need any kind of wires. My thinking 1. With Thread and a similar technology, the energy cost of a switch could really become very low (of course they are not exactly high now). Instead of being wired and screwed into a hole in the wall, could they simply be secured with 1-2 AA rechargeable batteries? Separately, when will the switches stop making hardware no longer a thing?