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    XPS 15 (9550) FHD battery life

    Discussion in 'Dell XPS and Studio XPS' started by cept, Feb 2, 2016.

  1. cept

    cept Newbie

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    I'm curious what other owners with the 9550 FHD model are getting in terms of actual battery life.

    I have the FHD, 512 GB SSD, 16 GB RAM, 84 Whr battery configuration. With brightness on 50% and doing light web surfing, I'm able to get around 6.5 hours on a full charge. Fan is off. I'm updated to the latest BIOS and Intel HD graphics drivers as well.

    The reason I ask is because The Verge's latest review of the 4K model ( http://www.theverge.com/2016/2/2/10888636/dell-xps-15-review-windows-10) mentions being able to get between 5 and 6.5 hours. My battery life for the FHD model seems short in comparison.
     
    Last edited: Feb 2, 2016
    cept, Feb 2, 2016
    #1
  2. g.achrainer

    g.achrainer Notebook Geek

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    On a Precision 5510 (mainly identical device), with FDD, 84 Wh and a Xeon, I see about 8+ hours.
    Did you reset your BIOS settings after updating? Some people reported differences in battery runtime after doing so.
     
    g.achrainer, Feb 3, 2016
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  3. cept

    cept Newbie

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    Where could I do so?
     
    cept, Feb 3, 2016
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  4. pubbypaws

    pubbypaws Notebook Guru

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    Haha, i'd kill for 6.5 hours on a charge.

    I have FHD/i5/512GB 950Pro/8GB/56Whr model. I'd be lucky if i get 4 hours on a single charge just surfing the web with watching videos here and there.

    I am still waiting for the 84Whr battery part to come in stock. I'll be swapping my 56Whr battery out. I'd consider anything over 6 hours pretty damn good for a non 4k model.
     
    pubbypaws, Feb 3, 2016
    #4
  5. g.achrainer

    g.achrainer Notebook Geek

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    Just checked: about 8:15 for web browsing on about 75% of brightness.
    To access the BIOS, either press "F12" while the Dell logo comes up after powering on, or:
    1. Click the Start [​IMG] menu and select Settings.
    2. Select Update and Security.
    3. Click Recovery.
    4. Under Advanced startup, click Restart now. The system will restart and show the Windows 10 boot menu.
    5. Select Troubleshoot.
    6. Choose Advanced options.
    7. Select UEFI Firmware Settings.
    8. Click Restart to restart the system and enter UEFI (BIOS).
     
    g.achrainer, Feb 3, 2016
    #5
  6. ghtop

    ghtop Notebook Consultant

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    Or just:
    1. Restart
    2. Press F2 repeatedly when Dell logo appears
     
    ghtop, Feb 3, 2016
    #6