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Charging thinkpad tablet - howto acquire 5vdc 2A supply

Discussion in 'Electronic Repair' started by mark, Dec 4, 2012.

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  1. mark

    mark Guest

    My tablet needs 5v, 2A to charge via the micro usb but all I have is a
    700ma walwart (which does not work) so I was thinking I could use my ATX
    power supply. There are 2 rails on the ATX for 5v, one for 30a and one for
    2a. Is there any reason I cannot use either rail? The tablet will only
    draw the current it needs, right?
  2. mike

    mike Guest

    Don't do it!!!
    There are several reasons that this is risky.
    And none of them have anything to do with the numbers printed
    on the labels.
    Yes, you'll find 100 people who say it's ok.
    And maybe 10 who say they've done it successfully.
    But not likely any who used your exact supply on your exact tablet.
    99% probability that it will work fine is of little
    solace if you're the 1%.
    If you knew what you were doing, you wouldn't be here asking.
    Bottom line:
    Get a supply designed for this kind of application.
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