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How do the devices negotiate who gives the charge and who gets charged? I’ve never tried it - I imagined it wont work at all!
by iakov 3y ago
How do the devices negotiate who gives the charge and who gets charged? I’ve never tried it - I imagined it wont work at all!
- jon-wood 3y agoI have no idea, but the device that was plugged into mains power was very happy to pass some of it on to my laptop.