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Re: Can I use any Micro USB 3.0 cable with my Galaxy S5?
Sorry, but that is not supported by the USB Guide lines.
Originally Posted by Siendorf
There is a lot of info here, and all of it pertains to SuperSpeed specs of the USB 3.0 format.
No where in these documents does it state there is a minimum or maximum current charging RATE.
At the time those documents were written, a 3,000 mAh battery was just a gleam in the inventors eyes.
From my personal experience, the Requirement is that the charging Source, be it an A/C Adapter Module, or a DC car charging cord adapter, Must Be Able to source a minimum of 2.1 Amps continuously.
Using the same cord on my S5 phone to the USB charging port, the old USB 2.0 a/c adapters will only maybe get up to 750 mA. Most of them are 500 mA or less.
When I use the same cord and plug it into my OEM Samsung S5 power module that came with the phone, then the S5 battery will charge in 90 minutes from 15% or less to a full 100%.
The older a/c adapters AND the USB ports on laptops and desktops are by design limited to 500 mAmps.
If you have proof to the contrary, then show it. Don't just make a statement and suggest the readers must dig up the proof.