rMBP Battery Life Rant/Opinion

Discussion in 'MacBook Pro' started by alt, Sep 23, 2012.

  1. alt macrumors regular

    Feb 12, 2008
    Bend, Oregon
    I feel like they shouldn't say "up to 10 hours" when OSX only shows an OPTIMAL 8. I'm not saying that the number matters but...Powering up the new lappy and seeing "8:00 Remaining", knowing that the number is always way higher than it really is, kinda saddens me.

    That is all.

    Oh, and I don't even get close to 8. :eek:
  2. stuaz macrumors 6502

    Jun 16, 2012
    I think thats why they chose to hide the option of showing battery time in the task bar as you would notice it more! :)

    (And yes I know that the time changing is dependent on what you are doing, etc blah blah).
  3. jedolley macrumors 68000

    Sep 18, 2009
    Where do you get "up to 10 hours"?

    Attached Files:

  4. RussellJones macrumors member

    Sep 10, 2012
    because it states 'up' to 10 hours, this applies when brightness is at the lowest and no applications running, you might then just get 10 hours.
  5. wiznet macrumors regular

    May 30, 2012
    I get 8, but it depends what I'm doing. Sometimes, I only get 5.

    Don't trust the counter, as its estimates change frequently. And yes, Apple advertises 7 hours, not 10.
  6. jedolley macrumors 68000

    Sep 18, 2009
    I get that, but there should be no expectation that it will give you 10 hours if Apple has stated 7hrs (that's just wireless web use). I drive a Ford F-150 and just because my fuel economy estimate is currently reading 30mpg, I have no expectation that I am going to get that since I know it's more like 15-18mpg.
  7. alt thread starter macrumors regular

    Feb 12, 2008
    Bend, Oregon
    Yeah, actually I was wrong. I could have swore when I was looking at the store it listed it as 10...must have been something else haha. I knew would be too much to expect anyway. But yeah, the store says 7 hours. So I am happy again.:D

    Also, I think Spotify is a severe battery drainer. Anyone noticed?
  8. JDeezy808 macrumors newbie

    Sep 18, 2012
    hmmm... ive updated to 10.8.2 but i still only get about 5-6 hours for battery levels. Check the max capacity and its only been a few cycles from MaxCap... does anyone else have a 768SSD, is this the culprit of my battery lifespan?
  9. RussellJones macrumors member

    Sep 10, 2012
    I know this now, when i made this post I thought that apple had advertised 10 hours. I just know when manufacturers claim high battery life, they often dont live up to them in real. My old samsung notebook was meant to get 9hrs, i probably got 4hrs max. although i could get nine running nothing on min brightness
  10. Dark Void macrumors 68030

    Dark Void

    Jun 1, 2011
    The rMBP is advertised at 7 hours.

    In any case that's not the exact amount you will receive.
  11. Dangerous Theory macrumors 68000

    Jul 28, 2011
    I'm pretty sure the "up to 10 hours" was quite a few years ago when they changed how they performed battery tests to be more realistic. The RMBP is advertised as 7 hours.
  12. Ryan T. macrumors 6502a

    Ryan T.

    Jun 13, 2005
    Rochester, NY
    Of course it is. Any steaming media will be.
  13. MacGurl111 macrumors 65816


    Feb 4, 2010
    Not trying to be captain obvious here, I read on here that after the update we should calibrate.. someone got close to 8 hours.

    I will be doing that soon. My battery is at 17 percent right now. :eek:
  14. alt thread starter macrumors regular

    Feb 12, 2008
    Bend, Oregon
    Yeah, I realize that but it seems to be worse than others...
  15. GGJstudios macrumors Westmere


    May 16, 2008
    From the BATTERY LIFE FROM A CHARGE section of the following link:
    There are many factors that impact your battery life. See the BATTERY LIFE FROM A CHARGE section of the following link for details, including tips on how to maximize your battery life.

    The link below should answer most, if not all, of your battery/charging questions. If you haven't already done so, I highly recommend you take the time to read it.
    The built-in batteries in the newer Mac unibody notebooks come pre-calibrated and do not require regular calibration like the removable batteries in older Apple notebooks.
  16. Woodcrest64 macrumors 65816


    Aug 14, 2006
    I have been doing a lot of research into the whole Retina Macbook Battery issue since I got mine back in August.

    I was typically getting between 3.5 to 4.5 hours on a full charge. With 10.8.2 and the EFI release for the rMBP I got somewhat of an improvement to about 5 hours. However I have since reset my SMC and so far I got 3 hours and 12 minutes of use with 50% battery still left.

    I have been using VM Fusion with Windows 7 and been watching a few youtube videos. Both of which do eat at the battery. VM Fusion though is quite a battery drainer though.

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