The Notebook Review forums were hosted by TechTarget, who shut down them down on January 31, 2022. This static read-only archive was pulled by NBR forum users between January 20 and January 31, 2022, in an effort to make sure that the valuable technical information that had been posted on the forums is preserved. For current discussions, many NBR forum users moved over to NotebookTalk.net after the shutdown.
Problems? See this thread at archive.org.

    Question about AC adapter

    Discussion in 'Hardware Components and Aftermarket Upgrades' started by slnotebook, Jun 22, 2009.

  1. slnotebook

    slnotebook Notebook Consultant

    Reputations:
    2
    Messages:
    109
    Likes Received:
    9
    Trophy Points:
    31
    I just got a couple of Thinkpad T60 laptops from ebay.

    The seller included official Lenovo AC adapters with the following specs:
    input: 100-240v, 2.4A
    output: 20V, 4.5A

    But I think the seller may not have included the correct power cords for the AC adapters. One of the power cords fits into the AC adapter but the connector is much longer than it needs to be. It also says "7A 125V" on it. I assume it's OK for the power cord to have a higher amp rating than the AC adapter?

    The other power cord fits and isn't too long, but it says "3A 125V". Is 3A too little, when the AC adapter is outputing 4.5A?
     
    slnotebook, Jun 22, 2009
    #1
  2. MidnightSun

    MidnightSun Emodicon

    Reputations:
    6,668
    Messages:
    8,224
    Likes Received:
    231
    Trophy Points:
    231
    The 7A 125V cord is normal - that's what my AC adaptor has. The connector is a bit longer than it needs to be.
     
    MidnightSun, Jun 22, 2009
    #2
  3. thetank256

    thetank256 Notebook Enthusiast

    Reputations:
    0
    Messages:
    20
    Likes Received:
    0
    Trophy Points:
    5
    I have seen that on most of the laptops that I've worked with.
     
    thetank256, Jul 1, 2009
    #3
  4. octagonalman

    octagonalman Notebook Guru

    Reputations:
    2
    Messages:
    52
    Likes Received:
    0
    Trophy Points:
    15
    The second cable (3A 125V) is still fine since the maximum input current is 2.4A. The output current is carried by the thinner cable that should be permanently attached to the other side of the power brick.
     
    octagonalman, Jul 1, 2009
    #4