A bright spot in the the history of mobile phones was the near universal adoption of micro-USB charging, and creation of a 30mW standby limit for high-quality plug-in chargers. Nokia (now Microsoft), for example, produced in-expensive five-star chargers – cutting the power lost by left-plugged-in chargers to nearly nothing. Roll on a few years and …
This story continues at USB/mains wall plugs – more energy down the drain
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