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  1. #1
    Bad Battery Performance?

    Member Since
    Jun 06, 2008
    Posts
    209
    Specs:
    Macbook Pro 2.4Ghz core 2 duo, 200GB HD,Nvidia 256 DDR3 graphics, 6GB RAM
    Bad Battery Performance?
    I was just wondering how people's macs perform off the charger.

    My mac pro is about a year old and i have it plugged in most of the time when i am around the house. The battery has less then 50 cycles on it and i make sure to drain it fully( use it till it tells me its turning itself off) at least once a month according to battery care articles i read from apple.

    I really only seem to get about 3.5 hours out of the battery and that's doing menial things like browsing the internet. I know that the more stuff you have going on the more juice the mac will need the draw from the battery, but im just wondering if others are getting more life out of their batteries off the charger.

  2. #2
    Bad Battery Performance?
    D3v1L80Y's Avatar
    Member Since
    Feb 02, 2004
    Location
    PA
    Posts
    12,456
    Specs:
    MacBook
    "Menial" things like browsing the internet can be a big drain on your battery.
    AirPort wireless is a major battery drainer on its own.
    3.5 hours is pretty much par for the course with wireless internet browsing alone.

    I would suggest dimming your display as low as you can with still being able to see clearly. Doing so will gain you some battery time.
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  3. #3
    Bad Battery Performance?
    walkerj's Avatar
    Member Since
    Feb 13, 2005
    Location
    New Orleans, LA, USA
    Posts
    1,186
    Specs:
    13" Macbook Pro 2.26Ghz Unibody 4G RAM 160G HDD Superdrive
    I did a test on my brand new 13" MBP to see if all the hyped claims are true.

    They are.

    Brightness of the screen turned down, bluetooth off using the trackpad and internal keyboard (which is much improved over the old Whitebook I had) and only WiFi. Let it sleep between times I was actually using it.

    Got about 6.5 hours before I plugged it back in. Could have gone for more but it was nearing quitting time when I close the lid and pack it up for transport.

  4. #4
    Bad Battery Performance?

    Member Since
    Jun 06, 2008
    Posts
    209
    Specs:
    Macbook Pro 2.4Ghz core 2 duo, 200GB HD,Nvidia 256 DDR3 graphics, 6GB RAM
    ok thanks for the info guys. I was hoping i would get that response because i would have hated to have to send this baby back to apple.

  5. #5
    Bad Battery Performance?

    Member Since
    Aug 14, 2008
    Location
    New New
    Posts
    57
    Specs:
    Retina Macbook Pro 15" | iPhone 5 | iPad Mini
    Just got a new macbook pro 15incher and I'll tell you this thing is awesome when it comes to battery life. Using OS X i get atleast 5 hours if not more of use. (web browsing, ichat, wifi on, bluetooth turned off, keyboard dimmed halfway and screen dimmed about 1/3rd) It's great I just sit on my bed for hours on end and browse forums :-D. I love this thing. <3

  6. #6
    Bad Battery Performance?
    chrismac's Avatar
    Member Since
    Jun 12, 2009
    Location
    Staffordshire
    Posts
    356
    Specs:
    15.4" uMBP: iPhone 4
    If I am not using the mighty mouse then it lasts almost as long as apple state!

  7. #7
    Bad Battery Performance?
    bobtomay's Avatar
    Member Since
    Dec 22, 2006
    Location
    Texas, where else?
    Posts
    26,209
    Specs:
    15" MBP '06 2.33 C2D 4GB 10.7; 13" MBA '11 1.8 i7 4GB 10.10; 21" iMac '13 2.9 i5 8GB 10.10; 5s & 5c
    Quote Originally Posted by EggrollShop View Post
    Just got a new macbook pro 15incher and I'll tell you this thing is awesome when it comes to battery life. Using OS X i get atleast 5 hours if not more of use. (web browsing, ichat, wifi on, bluetooth turned off, keyboard dimmed halfway and screen dimmed about 1/3rd) It's great I just sit on my bed for hours on end and browse forums :-D. I love this thing. <3
    Make sure if you're sitting your Mac on the bed, you have it on a stand and not blocking the vents at the hinge.

    In 2 1/2 yrs, I've never seen 4 hrs on either of the batteries from my MBP, although that's what it'll tell me upon first disconnecting it from power.
    I cannot be held responsible for the things that come out of my mouth.
    In the Windows world, most everything folks don't understand is called a virus.

  8. #8
    Bad Battery Performance?

    Member Since
    Sep 29, 2007
    Location
    Surrey or Sheffield, UK.. or I might even be in Aarhus, Denmark
    Posts
    73
    Specs:
    iMac 24" (mid-2009 edition), 2.66Ghz, 4GB, 640GB HDD
    I'm curious what screen brightness compromises people make for battery.

    I used to use a Samsung laptop for classes. I'd dim the screen to its absolute lowest, it was barely visible, but I obviously liked having it a bit brighter. I had to have it on its absolute lowest so that I could last for more than four hours, which I needed as some days I'd have that amount of lectures (seminars I don't usually use a laptop in).

    Just curious how dim I'll need to go really on my 13" MBP. Is there a way, or an app, to create profiles too? I'd like to set a "profile" for when I'm in classes, so I just select it and it puts my screen, keyboard brightness at a level I set, and turns off bluetooth etc. I don't always want to have to enable/disable bluetooth as necessary when I'm on the battery

  9. #9
    Bad Battery Performance?

    Member Since
    Jul 09, 2006
    Location
    Madison, WI
    Posts
    103
    Specs:
    13" MBP (2009) 2.26GHz, 160GB, 2GB
    I was actually somewhat disappointed in my new MBP battery. Admittedly, I did get a little over 5 hours on it, but I could get 4.5 hours on a new battery on my old iBook. I was hoping for something closer to the actual 7 hours. As stated above, I was using wireless internet, but that was about it (a couple somewhat small apps running in background too). I'm not complaining really, just kind of surprised it wasn't much longer of a battery life with all the hype. Oh well, good thing I don't usually use it for more than 2 hours unplugged anyway.

  10. #10
    Bad Battery Performance?
    chrismac's Avatar
    Member Since
    Jun 12, 2009
    Location
    Staffordshire
    Posts
    356
    Specs:
    15.4" uMBP: iPhone 4
    I have been using my MBP for the last 45 mins off charge, med keylight, med screen, bluetooth off - and it is still showing 7h:36m left or 97%.

  11. #11
    Bad Battery Performance?

    Member Since
    Aug 07, 2005
    Location
    Greenville, NC
    Posts
    85
    Specs:
    17" Macbook Pro 3.06Ghz 7200RPM 500gb
    I have a new 17" MBP and I have been getting amazing battery results with it (using the slower video card). It surprised me as I was sure the claims were marketing ploys

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