post battery times for MBP C2D

Discussion in 'MacBook Pro' started by dpope, Dec 12, 2006.

  1. dpope macrumors member

    Sep 5, 2006
    Hi all,

    I thought my battery life was ~3.5 hrs with wireless and what not but someone recently told me they got 4 hrs with wireless and a dimmed screen. I decided to give it a shot and unplugged my MBP at 96% battery to see that it claimed only 3 hrs battery life (since then its been going up and down). Its hard to tell now but it seems like the battery life is lower then it used to be. I've calibrated it once since I got it (almost 3 weeks ago) but I almost never use it without power (because I always worry that this will reduce the battery quality in the long run). I've these batteries (Lithium-Ion) benefit from a certain amount of use (calibrating at least once a month) so should I be using my laptop with the battery more often? If so, should I avoid recharging it until its near to dry? I've heard short, frequent charging also reduced the battery life but so does using the battery a lot so which effect is more serious?

    Could people post some MBP battery lifetimes as well as best practice tips.

  2. lu0s3r322 macrumors 6502a

    Nov 28, 2005
    Illinois, USA
    i just disconnected mine from the magsafe and right now im running with full brightness and wireless. no bluetooth. im getting about 3 hrs. i got mine a few weeks ago too. i havent calibrated it yet though.
  3. Carguy172 macrumors member

    Oct 8, 2006
    Thay battery life isn't very good compared to my dell it get's 7 hours (it's a 6400) that's with wireless on too. look's like dell's aren't so bad
  4. dpope thread starter macrumors member

    Sep 5, 2006
    7 hrs? I know the puny sony's get 8 hrs and my aunt had a little dell that could get 5 hrs (and its supposed to have an incredible battery life). My impression was that 3.5 hrs was decent for a top-end 15" like the MBP.

    I just realized that I wasn't on "better battery" but on normal which probably explains why the reported battery life was worse than I remember. Can people reporting their battery lives please indicate what power settings they're using.

  5. dpope thread starter macrumors member

    Sep 5, 2006
  6. Carguy172 macrumors member

    Oct 8, 2006
    I have xp professional
    1gb ram
    15"ultrasharp with trulife
    DVD RW+/-
    Intel prowireless
  7. dpope thread starter macrumors member

    Sep 5, 2006
    I'm bumping this up in the hope of getting some responses in terms of battery life times of the MBP and best practices for maintaining the battery.
  8. phuong macrumors 6502a

    Aug 16, 2006
    yeah i got 3 hours and a half with bt and wifi on
    and the screen is at 140 candle light
  9. Max Payne macrumors 6502a

    Oct 27, 2006
    Brisbane, Australia
    The best I could get was 4:40 with bluetooth off and WiFi up and running.
  10. Gaokaos macrumors newbie

    Nov 22, 2006
    I always get around 3:30 out of it with brightness around 4 bars, bt off, airport on and while doing avarage to heavy load work. (multiple applications)
    I never tried to see how long it would last with screen brightness to the lowest and airport off because i haven't been in a situation where the macbook would be usefull for me in such circumstances.
    While I'm not wow'ed by this battery life I'm not dissapointed either. It's about what I expected. My friends similar sony vaio gets almost an hour less most of the time and hp notebooks seem to be even worse so I guess there's no need to complain.
  11. daneoni macrumors G4


    Mar 24, 2006
    3:43 as soon as i disconnect and then gradually decreases. I usually run at 25% brightness, wi-fi and 85& speaker. No bluetooth. On average, 3 hrs max.

    My PowerBook thwarts this as i regularly had 4 hrs plus change on it. With 85% brightness, 85& speaker, wi-fi
  12. kerisimasi macrumors member

    Jul 1, 2006
    mbp 2.16 2gb ram 80 gb HD

    I usually always have wifi on, no bt, and a few apps running...powerpoint/word etc. I just unplugged at 99% battery and got 3 hrs and 25 minutes. a few minutes later - 3 hours and 6 minutes. This is w/ brightness at about half full. I usually average around 3 hours with full power - sometimes less, sometime more. I had a macbook before and waa spoiled by the battery life - i miss it.
  13. quicksilverpdx macrumors member

    Dec 12, 2006
    What is the recomende "FIRST CHARGEL time and can i use the macbook while its in its first charge? Could someone pm me so i dont mess up my bran new macbook!
  14. iW00t macrumors 68040


    Nov 7, 2006
    Defenders of Apple Guild
    I get around 3 hours too, none of that super 4.5 hours advertised running time :(
  15. deadpixels macrumors 6502a


    Oct 30, 2006
    advertised time is always in impossible condition, like no network, no heavy load and screen brightness to minimum, apple always done that, sorry :(

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