Maximum output of USB Type-C 2.0 is 20V, 5A. Could it kill??
Amazon has banned USB-C charging cables that do not comply with
specifications, awhich are considered dangerous as they can damage
devices they are used with and potentially cause safety risks.
The USB-C specification, which includes a reversible connector that can
plug in either way up, was designed as the do-it-all cable capable of
charging computers as well as smartphones, tablets and other low-power
Amazon’s move sees it acting as a de facto quality control agent for the
USB-C cables, helping users steer clear of much needed but sub-standard
products. Many USB-C enabled devices come only with USB-C to USB-C
cables, not with cables for plugging into older chargers or computers –
which commonly have USB-A connections.
Designed under the USB 3.1 specification, USB-C can deliver a larger
amount of power than older USB cables allowing them to be used to charge
computers such as Apple’s MacBook and Google’s Chromebook, both of which
require significantly more power than smartphones do.
To do so, USB-C cables have a 56k ohm resistor that allows the power
supply and the device plugged into it to work out the correct power
level that suits both ends of the charging party, making sure the device
does not draw more power than the plug can supply.
The Amazon sign
Amazon nows prohibit ‘any USB-C (or USB Type-C) cable or adapter product
that is not compliant with standard specifications issued by ‘USB
Implementers Forum Inc’.” Photograph: Reed Saxon/AP
Unfortunately some USB-C cables have been made with the incorrect
resistor, typically only 10k ohm, which means that it is possible for
the device to draw more power than the plug can safely supply or
potentially for the plug to push more power than the device can take.
Others are wired incorrectly, which could destroy whatever they are
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