Laptop Power Supply

Discussion in 'Accessories' started by boka003, Jan 2, 2019.

  1. boka003

    boka003 Notebook Enthusiast

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    Hello,

    I buy my gp73 in USA from xotic pc.
    but now i move to Europe.

    Original power cord that i get is: 7A 125V , but it is only for USA charger
    I have europe charger power cord from some old dell laptop and it is: 2.5A 240V

    Can i use power cord from old dell laptop to power supply my msi gp73 ?

    Thank You
     
  2. pete962

    pete962 Notebook Evangelist

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    First, double check and make sure power supply itself is capable of handling 240v, most are 100-250v, but just double check it. 7A x 125v= 875W, 2.5A x 240v=600W, so power rating is lower but I doubt your laptop will ever draw 600W. Your power supply should have watts rating (300W maybe?) and that will tell you, if you're within the limit. Basically for given thickness (gauge) of wire, you are OK to draw particular amount of power, if you go over it, the wire's resistance will heat it up and that will increase wires resistance to heat it up more etc until it can catch fire. So just make sure you're under the max rating, if not get better wire.
     
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  3. boka003

    boka003 Notebook Enthusiast

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    Thanks for reply !

    Here is image of my charger: https://imgur.com/a/wpYRVLQ

    I try wire that have 2,5A and 250V, its working, but its charging slow.
     
  4. pete962

    pete962 Notebook Evangelist

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    Your power supply says max draw is 2.5A and that's probably at low voltage, at 240v should be less and you should be fine. Wire itself should not affect charging, especially since you're within specs, unless it's defective.
     
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