1. Windows Central Question's Avatar
    Lumia 950 comes with plug in the wall charger, and a USB cable. Why will the phone not charge when the USB cable is plugged into a computer. It shows that it is plugged in, but hours later there is still movement on the battery life indicator?
    01-13-2016 11:53 AM
  2. ashram's Avatar
    That's for USB2 and the computer needs to be powered on. For USB 3 it's 0.9 A and if it is dedicated as "charging" port the computer does not have to be on.
    Anyway your phone should be able to charge on a PC but much slower compared with the wall plug..
    correct.... always forget about USB 3 is a "bit" higher, but even then, 2.1A chargers are literally a dime a dozen now. I haven't used USB to charge a phone in years. I use QI or the included 950 charger most of the time.
  3. ashram's Avatar
    USB on the PC supplies a VERY low amount of power, 5V at .5A
    01-13-2016 12:45 PM
  4. Harrie-S's Avatar
    USB on the PC supplies a VERY low amount of power, 5V at .5A
    That's for USB2 and the computer needs to be powered on. For USB 3 it's 0.9 A and if it is dedicated as "charging" port the computer does not have to be on.
    Anyway your phone should be able to charge on a PC but much slower compared with the wall plug..
    01-13-2016 01:17 PM
  5. ashram's Avatar
    That's for USB2 and the computer needs to be powered on. For USB 3 it's 0.9 A and if it is dedicated as "charging" port the computer does not have to be on.
    Anyway your phone should be able to charge on a PC but much slower compared with the wall plug..
    correct.... always forget about USB 3 is a "bit" higher, but even then, 2.1A chargers are literally a dime a dozen now. I haven't used USB to charge a phone in years. I use QI or the included 950 charger most of the time.
    01-13-2016 02:03 PM

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