https://www.citizen.org/news/how-to-fight-vampire-power-and-save-money/
How to Fight Vampire Power and Save Money - Public Citizen
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https://refractor.io/environment/new-greenzero-chargers-eliminate-vampire-power-drain/
New GreenZero chargers eliminate vampire power drain
May 2, 2015 - Bracktron's line of GreenZero chargers detect when the device being charged is unplugged or fully charged and automatically shut off to eliminate stand-by -...
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