Power Saving Adapters

April 21st, 2009 | by admin |
kenradio asked:


External power adapters, also known as power supplies, are crucial to the operation of virtually all small electronic devices. As many as 1.5 billion are in use in the US — that’s about five for every person. The total electricity flowing through all types of power supplies is about: 300 billion kWh/year, and 11% of the national electric bill They convert high voltage ac electricity from the wall outlet to the low voltage dc power used to power electronic products, like MP3 players, Personal …

Melissa

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