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A comment on USB inventor explains why the connector was not designed to be reversible. Parent comment

Re:USB inventor explains why the connector was not designed ... by crote on Tuesday October 10, 2023 @08:50PM (#37839679)
I am not aware of this problem existing in practice.

Chargers and devices of course have a wide variety of power ratings, but those are generally all compatible with each other. Just get a charger with a higher rating than the device and it works.

When it comes to cables, pretty much everyone just uses the standard 20V 3A / 20V 5A / 48V 5A cables. The only exception I am aware of is Oppo's SuperVOOC.

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Re:USB inventor explains why the connector was not designed ... by carstenhag on Thursday October 12, 2023 @06:49AM (#37855533)
A 140W MacBook USB-C charger can not charge an OnePlus 8.

A 67W Poco (Xioami) USB-C charger can barely charge a Pixel 6 (it basically runs out of battery while charging, 200-300mA are transmitted according to an app).

USB-C is in a terrible state.

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