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Slow Charging when connected to laptop USB port : Redmi 4

Discussion in 'Android Devices' started by Me Akhil, Jan 2, 2019.

  1. Me Akhil

    Me Akhil Lurker
    Thread Starter

    I am having my Xiaomi Redmi 4 phone working fine. Recently I found that while connected to my laptop usb port, It charges very slowly. What might be the problem? Does anyone had the same situation?
     


  2. Dannydet

    Dannydet Extreme Android User

    Usb charging when connected to a device will always charge slower than if connected directly to a wall outlet. The amount being transferred is about half
     
    Me Akhil and mikedt like this.
  3. mikedt

    mikedt 你好

    There is no problem. AFAIK PC USB ports can supply upto 500mA, maybe less with a laptop than a desktop. The charger that comes with a Xiaomi Redmi is up to 2A, which will charge the phone much quicker than a computer of course.
     
    Me Akhil, lunatic59 and Dannydet like this.
  4. lunatic59

    lunatic59 Moderati ergo sum
    Moderator

    A USB 3.0 port will deliver up to 900mA, which would improve charging times, but it would still be slower than a dedicated charger.
     
    Me Akhil, Dannydet and mikedt like this.
  5. Ajay Mehra

    Ajay Mehra Lurker

    The reason is obvious as the amount of current flowing through the wall socket is 1000 – 2000 mA whereas through the USB 3.0 it is no more than 600-900 mA. That is why the phone charges slowly. Also if you have USB 2.0 then the charging is even slower.
     
    Me Akhil likes this.
  6. Me Akhil

    Me Akhil Lurker
    Thread Starter

    ok thanks for the replies
     

Xiaomi Redmi 4X Forum

The Xiaomi Redmi 4X release date was February 2017. Features and Specs include a 5.5" inch screen, 13MP camera, 3/4GB RAM, Snapdragon 625 processor, and 4100mAh battery.

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