this post was submitted on 24 Aug 2024
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Basically I'm trying to de-clutter the cables to my charging station, and was hoping to use a 3-way cable for my phone, watch, and headphones.

My main concern is if one device is able to successfully negotiate QuickCharge or PD, would that send 9-20 volts to the other devices?

e.g. if I grabbed the wrong cord and hooked it into my laptop, the laptop requests 20v, would that PD negotiation succeed and also send 20v to my 5v devices on the other two leads?

I've only used these kinds of cables with USB-A and chargers that can only output 5V. Most of my chargers now are QC/PD so I'm curious if I should avoid those or take any particular precautions.

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[–] HeyJoe@lemmy.world 7 points 3 months ago (1 children)

I feel your pain for the declutter... I as well have about 3 cables plugged into a super charger and I love the charge times it provides, I hate the cables. I really wish they made a cable that rolled back up like those ID badge lanyards you attach to your belt. Only take the cable you need and once done it rolls back up into a small space.

[–] CodingCarpenter@lemm.ee 4 points 3 months ago (1 children)

I actually looked for something like this and while they do exist, they all seem really shoddy and I would not trust them with my devices sadly

[–] ChaoticNeutralCzech@feddit.org 2 points 3 months ago

I don't think they would destroy your devices but I do have a non-PD power-only triple-ended retractable cable and it is shoddy.