Comment on Is it more energy efficient to charge a phone/tablet using a desktop/laptop while your computer is being used vs using the charger?

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Robin@lemmy.world ⁨5⁩ ⁨months⁩ ago

The amount of heat this will add to your case is negligible. We’re talking 15% waste on a 20W load, so 3W worth of extra heat. And that heat is produced in the PSU.

(PSU efficiency standards: i.imgur.com/WSWrsCm.gif)

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