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Choosing a laptop charger

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Bosket06 Posted messages 29 Status Member -  
tsuyo21 Posted messages 6766 Status Member -
Hello,

I need to buy a charger for my laptop, 19V, 4.74A, 90W.
I wanted to know if by choosing a 90W charger, it can also serve me in the future for a laptop even if the power will be lower?
Also, I wanted to know what a multi-voltage charger is for?

Best regards

Configuration: Windows XP / Firefox 32.0

5 answers

  1.
    Arkanthas Posted messages 101 Status Member 4
     
    If it's not powerful enough for another laptop, I don't think it will be compatible.
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  2. Bosket06 Posted messages 29 Status Member
     
    I was mainly wondering if it would be more powerful than necessary for another PC.
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  3. KFantomas Posted messages 725 Status Member 32
     
    The connectors for laptop chargers differ from one manufacturer to another or even from one model to another.
    For example, my laptop is an Acer, and its charger doesn't fit my sister's HP. I recommend using the original charger provided with your laptop, or an official charger.
    So, basically, buy the original charger for your current laptop, and when you change it, use the original charger provided with your new laptop.
    It's the best and safest thing to do.
    It's Linux or nothing. :D
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    1. Bosket06 Posted messages 29 Status Member
       
      Wouldn't a similar charger be enough?
      Even if it's still priced well. I bought one for €20 and that's it..
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    3. KFantomas Posted messages 725 Status Member 32
       
      If you take a replacement one, one of good quality, I had taken a replacement one a few years ago, and it had ruined my Packard Bell laptop.
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      1. tsuyo21 Posted messages 6766 Status Member 476 > KFantomas Posted messages 725 Status Member
         
        Indeed, Noname and exotic chargers should be avoided. FSP = very good brand also known for power supplies for towers (FSP Fortron)
        https://www.youtube.com/watch?v=b8zEEP-bMNk
        and http://www.59hardware.net/articles/mobilité,-pc-portable-et-tablettes/test-:-adaptateur-secteur-universel-pour-portable-fsp-nb-s90--200906198428/all.

        Please follow the instructions in the forum link I mentioned above

        Note: Be careful not to plug the tips in the wrong way, there is a right way and the polarization is sometimes poorly made! It could damage the laptop
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    4. Bosket06 Posted messages 29 Status Member
       
      I'm working on it, because the official Acer products on Amazon, you know...
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  4. Bosket06 Posted messages 29 Status Member
     
    For my Acer Aspire 8930G with specifications 19V, 4.74A, 90W, 5.5mm*1.7mm
    I'm hesitating between these three:

    http://www.ldlc.com/fiche/PB00061610.html
    https://www.ldlc.com/fiche/PB00117528.html
    http://www.ldlc.com/fiche/PB00089626.html

    I've read the topic on the other forum and I don't get it..

    Otherwise, what about the other brands on ldlc?

    Thanks a lot anyway.
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    1. tsuyo21 Posted messages 6766 Status Member 476
       
      A priori, they are all compatible with the 5.5*1.7mm plug.
      The difference then comes from the size of the power supplies or their functions.

      1. Standard with adjustable voltage option: 15-17v or 18-21v
      http://www.ldlc.com/fiche/PB00089626.html

      2. This one is a slim format.
      https://www.ldlc.com/fiche/PB00117528.html
      You can't see it in the LDLC photo but here you can
      http://www.etoileinformatique.com/1908-thickbox/fsp-fortron-fsp-nbl90-alimentation-universelle-nb-lite-slim-90w.jpg

      3. This one is a travel format:
      https://www.ldlc.com/fiche/PB00130890.html

      4. And here the basic one:
      http://www.ldlc.com/fiche/PB00061610.html

      Number 2 seems interesting due to its format, and it doesn't have a cable too short compared to number 3.
      However, if you are looking for optimal compatibility for the future, the one with a voltage regulator might be more interesting.
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  6. Bosket06 Posted messages 29 Status Member
     
    I opted for the second one.

    Thank you.
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    1. tsuyo21 Posted messages 6766 Status Member 476
       
      Sure, keep us updated to know if everything went well ;-) and don't forget to pay attention to the fitting of the tips!
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