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10-pack Besser Micro USB to USB-C Adapters $5

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$5 with code KMPCHR5I
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12 Comments

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#2
This is really cheap
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#3
Check out the review where they melted.....
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#4
Anyone have input? The grey ones usually on sale here always bend and break for me
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#5
Grabbed it..I don't plan on using a quick/fast charging solution, so hopefully that will be enough to prevent damaging my cables.
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#6
Quote from wnat35
:
Check out the review where they melted.....
Yup, these don't look like they comply with USB-C standards. They look exactly like the ones I got 4 for 99 cents from ebay except they spent the extra 2.4 cents to put their name on each of them.

I know as I've bought aukey, anker, Samsung, and ailun micro usb to usb c and they look nothing like the cheap ebay one.

These DO look like the cheap ebay ones. I can easily tell just by looking at the picture.

Aukey were longer, anker were wider, Samsung was bigger overall, and the ailun is longer.

This and the ebay one will be smaller than all of these in physical comparison. As they are the same and non-compliant so they can make them smaller I guess.
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Last edited by YoureWrong February 19, 2018 at 12:01 PM.
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#7
Benson reviewed or bust!
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#8
10 for this price without any heavy usage I am in
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#9
These should not be a permanent replacement, just to keep in you bag/Keychain for spot use
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#10
Quote from wnat35
:
Check out the review where they melted.....
Great deal. Doubles as a lighter. In for 2
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#11
Wow the reviews on this are not good at all. At least from the verified purchases. Great deal but not worth the risk plugging into my S8.
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#12
Copy pasting what I wrote back then. Hope it'll help some people understand the importance of having a 56 kΩ resistor in a USB-A to USB-C cable. Same rules applies if you're using a USB-A to USB-C adapter. Buy proper cables to avoid damaging your devices or cause fire

Title : 56k Ω (Ohm) resistors in USB-A to USB-C charging cables : Why they're there and why you should never buy ones without them.

Introduction : A 56k Ω resistor is absolutely critical for USB-C to USB-A cables. Sometimes they will refer to USB-A type as "legacy" when talking about new USB-C. (USB-A is your typical rectangular USB port).

Main Body : The new USB-C devices can draw as much as 3A (Amperes) of current, but the vast majority of "legacy" USB-chargers are only built to deliver 2.0A to 2.4A. If your device (phone/laptop) tries to draw 3A, but the USB-charger can only deliver 2.0 or 2.4A, this can damage the USB ports on the charger & fry your device.

The electrical current from a USB-charger is determined by the request from the device its charging (phone/laptop). For USB-C charger to USB-C device, there is a "handshake" protocol conducted over its channel-config (CC) line by sending a small current signal (from charger to device) to confirm the current request :

(1) 80 µA +- 20 % signal results in 900mA request.
(2) 180 µA +-8 % signal results in 1.5A request.
(3) 330 µA signal results in 3A request.

USB-A charger does not implement this protocol on the CC line. Therefore, for a "proper" USB-A cable, with 5 Volt line, 56k + 5.1k Ω (series resistance to ground) resistor results in 80 µA signal (I = V/R), which results in "telling" the device to request 900mA. This is safe for most USB-A chargers/devices (normally rated for 900mA - 2.4A).

Some cables manufacturers however use 10k + 5.1k Ω resistor, resulting in 330 µA signal over the 5V CC line to maximize the current request (3A). This is as a result from "copy-pasting" the requirements for "USB-C to USB-C" cables on "USB-A to USB-C" cables. If a USB-A charger is rated for less than 3A, it's components can fry from the excess current, potentially frying your device.

Test Results : An engineer from Google bought all kinds of USB-C cables/chargers & tested them (fried some hardwares). Results are as follows :

Google Doc : https://docs.google.com/spreadshe...p=drivesdk

Reviews from his Amazon profile : https://www.amazon.com/gp/profile...rev_detpdp

Conclusions :
(1) Ensure all USB-A to USB-C charging cables are rated with 56k Ω resistor.
(2) Never buy cheap USB-A to USB-C charging cables, even if they're 56k Ω rated, because some failed the tests, aka sellers/manufacturers lied.
(3) USB-C to USB-C charging cable may not need 56k Ω resistor, but further readings needed to confirm.
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Last edited by ssskom February 19, 2018 at 06:34 PM.
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#13
Code expired
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