this post was submitted on 28 Nov 2023
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And if so, how much? Less, same or more than if it was actually charging something?

I'm in the EU if that changes something.

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[โ€“] Patches@sh.itjust.works 9 points 2 years ago* (last edited 2 years ago) (1 children)

The cables themselves do not use power. It is the brick.

Your radio being off would not push any power through a cable. Also your cigarette lighter being off would not push any power. Which is why plugging it in won't do anything.

To continue the metaphor - your water is turned off. You can't use up water that isn't there.

The reason the brick uses power is because it is available 24/7 for you to plug something in - and when you do - it can ask that device how much power it wants - does it have fast charging? Etcetera.