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Prevent phone from charging when connected to PC?

Discussion in 'Android Lounge' started by JoeHPSDA, Jul 15, 2014.

  1. JoeHPSDA

    JoeHPSDA Well-Known Member
    Thread Starter

    I use my phone as a wifi modem via USB as the wifi on my laptop died.

    Is there a way to stop the laptop charging the phone when connected via USB?

    I ask as I would like to do all I can to prolong the life of the laptop and I figure by turning off charging I could save some power?

    I'm using a Moto G on Android 4.4.2.

    Any ideas?

    Thanks!
     


  2. Stuntman

    Stuntman Android Expert

    Have you considered connecting via BlueTooth instead of USB? That way, the PC won't charge the phone.
     
  3. mrex

    mrex Android Enthusiast

    In my Zenbook there are options (a software provided by Asus) to let or not the usb charging even when the laptop is off and you can even set a limit for the battery (below it it doesnt charge usb-devices). This software is provided by the manufacturer. I havent seen any other way to controll usb-charging. If you dont have any software, have you checked bios? Which laptop have you? The possibility to change these settings is in the motherboard and some manufacturer provide it, some not and sometimes is not even possible. I would ask it from the manufacturer because it is related to the motherboard.
     
  4. WoohooGuy

    WoohooGuy Android Enthusiast

    Follow this tutorial EXCEPT only clip the red wire. The black wire is needed for the ground.

    Charge Only MicroUSB Cable

    With a razor knife and a bit of skill and handy work you should be able to peel back the insulation of a sacrificial cable without damaging any of the wires, take out a small section of the red wire, then use a few wraps of electrical tape to button it back up.
     
    funkylogik likes this.
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