Question about HP Compaq Presario SR1220NX (PJ517AAR) PC Desktop

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I need a new power pack (Battery) for my PC. Part

I need a new power pack (Battery) for my PC. Part # SR1220NX Can't seem to fine one. Any ideas for is it interchangeable with another??

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  • 19falcon66 Mar 03, 2009

    Thanks. It's the larger battery SR1220NX that I need. I don't have any power at all the the tower.


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Do you mean the CMOS battery? (The little round one on the motherboard?)
In this case, you can replace the battery with a standard CR2032 lithium battery (3 volt, 220mAH rating). You get that at Walgreens, Radio Shack etc.
For how to replace the battery, take look at page 9 of the manual.
If you don't have one, you can download it here.

If you are looking for another battery, just come back here and leave a comment. I will check back and be happy to help.

Posted on Mar 03, 2009

  •  C. Dante
    C. Dante Mar 03, 2009

    Just for clarification: the term "SR1220NX" refers to a Compac Desktop model, not a battery.
    If you say that you don't have any power at all, you are probably facing a defective power supply.
    If that is so, then it is very easy to replace.
    Take a look at the guide here.
    Before you work on the machine, make sure that the power chord is unplugged.
    Look at the side of your old power supply to see the details to ensure that you replace it with a unit of equal or higher rating.

    Here is an example for a 700W power supply:

    (picture courtesy to

    Important is that you don't get a unit which has a lower rating.
    If you installed any extra devices (hard drive, CD, DVD etc) you should go a little higher than what you have right now.
    Plus, make sure that it has all connectors you need, especially SATA.

    Thanks for rating!

    If you have any more questions, come back and let me know.


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