this post was submitted on 28 May 2026
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[–] toofpic@lemmy.world 111 points 3 weeks ago (37 children)

All devices now have chips that do a handshake with the charger, exchanging information about supported standards and charging using the best common option. So I charge my prohe with a 90W laptop charger, even when it is unable to use the whole wattage

[–] Eheran@lemmy.world 76 points 3 weeks ago (26 children)

The point is that it is unclear which USB C can do what.

[–] SirHaxalot@nord.pub 1 points 3 weeks ago (4 children)

Sure but to be fair the vast majority of devices charges fine with the baseline 5V/1A, even if a bit slower.

Exception is larger devices like laptops but I can’t say it’s a huge problem as their larger chargers are distinct enough

[–] Eheran@lemmy.world 3 points 3 weeks ago

Except that C to C only works when the receiving device has at least the required 5 kOhm resistors on the CC pins. Otherwise nada. But guess what? Lots of shit does not, so only charges from USB A.

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