acer switch 3 SW312-31 should recharge from USB-c , but it dosen't

legnans
legnans Member Posts: 1 New User
edited November 2023 in 2019 Archives
Hello everybody,
my acer SW312-31 should recharge from USB-c port, but it dosen't, Why?
What kind of voltage / power have I to connect to usb-c to recharge?
Thank yuo very mach!

Answers

  • MaClane
    MaClane ACE Posts: 35,598 Trailblazer
    Good Morning legnans !

    What EXACT model of your laptop?
    Some models offer an option where USB-C provides power to other devices, but NO laptop can be charged through this port on standard DC-in only.


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  • billsey
    billsey ACE Posts: 31,672 Trailblazer
    The power supply is 19V 45W, so you should be good with a USB-C charger that provides 20V, there are several charge voltages allowed in the USB-C spec,
    • Profile 1 : 5V@2A
    • Profile 2 : 5V@2A or 12V@1.5A
    • Profile 3 : 5V@2A or 12V@3A
    • Profile 4 : 5V@2A or 12V@3A or 20V@3A
    • Profile 5 : 5V@2A or 12V@5A or 20V@5A
    There is a chance it will work with 12V@5A, but much safer to get either 20V to be sure it'll work. I don't believe it'll work at all with 5V.

    Click on "Like" if you find my answer useful or click on "Yes" if it answers your question.