Your Battery Life at 400 Cycles?

Discussion in 'MacBook Pro' started by Terenc3, Feb 23, 2012.

  1. Terenc3 macrumors member

    Joined:
    Jul 15, 2010
    #1
    Just to share mine.. =)

    A little disappointing though.. :D
     

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  2. RyanMacm macrumors member

    RyanMacm

    Joined:
    Feb 15, 2012
    #2

    How did you manage that? I'm new to mac. Have had my new macbook pro for almost 2 weeks now. I read an read about this battery life usage. still don't quite get it. i'm a bit slow when it comes to this, explain to me more detailed about how to maintain your battery life at 85% after 100+ count cycles. How do you do that? how often do you run on battery and how often do you charge to not charge?
     
  3. Wafflausages macrumors 6502

    Joined:
    Jun 27, 2010
    #3
    I believe if your battery is at 80% with less than 1000 cycles apple will replace it free of charge
     
  4. Terenc3 thread starter macrumors member

    Joined:
    Jul 15, 2010
    #4
    Hmm.. I dun really take care of the battery. When I'm home (20% of the time) I just leave it plugged in. 80% of the time I am mobile and the battery will be used. Many times, used from 100% to 0% (sometimes 2 cycles in a day too).

    I do heard a lot about using the battery more. Utilising a full cycle at least once a week will help in keeping it strong. =)

    I tried that. There was a point in time where my battery dropped to 75%. I called AppleCare and was told to bring down to local Apple Support Store. But when I'm there, the Battery condition was found out to be GOOD though its 75%. I din get any exchange though. =)
     
  5. talmy macrumors 601

    talmy

    Joined:
    Oct 26, 2009
    Location:
    Oregon
    #5
    Probably depends on how nice you are when you talk to them. I had mine signal it was bad, but when I charged it up the error went away. I took it to the Apple Store and they replaced it anyway.
     
  6. GGJstudios macrumors Westmere

    GGJstudios

    Joined:
    May 16, 2008
    #6
    As the OP said, they exercise their battery often, which they need to remain healthy. A good rule is run on battery when you need to and plug in when you can. Just don't run plugged in all the time. This should answer most, if not all, of your battery questions:
     
  7. nickphoto macrumors newbie

    Joined:
    Feb 21, 2012
    #7
    I just downloaded iStat to check mine.

    724 cycles, 94% health. Not bad.
     
  8. shanimal macrumors member

    Joined:
    Mar 12, 2011
    #8
    this guy...
    Not bad is an understatement. 274 load cycles and im already at 90%
     
  9. AlphaDogg macrumors 68040

    AlphaDogg

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    May 20, 2010
    Location:
    Boulder, CO
  10. GGJstudios macrumors Westmere

    GGJstudios

    Joined:
    May 16, 2008
    #10
    Comparing health is meaningless. A week from now yours could be at 94% and nickphoto's could be at 89%. It fluctuates up and down over time.
     
  11. Gator24765 macrumors 6502a

    Gator24765

    Joined:
    Nov 13, 2009
    Location:
    Texas
    #11
    896 cycles

    90.9 %

    Pretty solid! Could be a lot worse.
     
  12. Terenc3 thread starter macrumors member

    Joined:
    Jul 15, 2010
    #12
    Haha.. Thought I was nice enough though! But mine normally hovers around 85% (82% to 87%). So, I guess its fine..


    That's incredible! Hopefully mine will increase over time.. :D
     
  13. jekyoo macrumors 6502

    Joined:
    Sep 11, 2007
    Location:
    Chicago
    #13
    Think of it this way: your cells can only take up to so many recharges. Basically, you're recharging all your cells and wearing out their charge capacity. You should leave it plugged it unless that's not an option.

    ----------

    Agreed. I current capacity the other day was 96% but now it's at 98%. It's been slowly going up in the last 24 hours.
     
  14. GGJstudios macrumors Westmere

    GGJstudios

    Joined:
    May 16, 2008
    #14
    That's not true. Read the Battery FAQ to gain a better understanding.
     
  15. RyanMacm macrumors member

    RyanMacm

    Joined:
    Feb 15, 2012
    #15
    I have read it over and over countless times. still don't get it. I'm feeling a bit dumb now lol. thats why i kinda just don't read it anymore but to enjoy my laptop. All in all, I leave it plugged in, sometimes when i go out to a cafe, i don't take the charger with me to let it drain or when i go eat i leave it running on battery. Then when i return to my room, i plug it in again. So I don't know if I'm doing this method right or wrong. Maybe GGJ can educate me more cos reading the battery info, i still don't get it. I need a good example of how i t should be and go from there. :)
     
  16. GGJstudios macrumors Westmere

    GGJstudios

    Joined:
    May 16, 2008
    #16
    Many people use their Mac portables on battery frequently, as a natural part of their routine. For them, there's not much to think about. Just use it on battery when you're on the go (which for them is frequently) and plug it in when AC power is available. The problem with the statement, "You should leave it plugged it unless that's not an option" is that there are also many who use their portable primarily at their desk, and travel infrequently. For them, "leaving it plugged in unless it's not an option" would mean they'd be running on AC power all the time, which isn't good for the battery.

    If you use your Mac on battery a lot naturally, keep doing what you're doing.
    If you use your Mac on AC power most of the time, remember to unplug and run on battery at least a few hours every few days, so your battery will get some exercise. Otherwise, your battery life will be shortened.
     
  17. nickphoto macrumors newbie

    Joined:
    Feb 21, 2012
    #17
    Haha yeah a bit of an understatement I guess. It operates as my desktop 80% of the time so is most always plugged in. And believe me, I don't think I get 94% of 7hrs life out of it.
     
  18. ayeying macrumors 601

    ayeying

    Joined:
    Dec 5, 2007
    Location:
    Yay Area, CA
    #18
    I purchased this laptop exactly 1 year ago...
     

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  19. RyanMacm macrumors member

    RyanMacm

    Joined:
    Feb 15, 2012
    #19
    Understood, thank you GGJ :) you're awesome.
     
  20. thatoneguy82, Feb 24, 2012
    Last edited by a moderator: Apr 13, 2015

    thatoneguy82 macrumors 68000

    thatoneguy82

    Joined:
    Jul 23, 2008
    Location:
    Beach Cities, CA
    #20
    Mine is still doing pretty well, I've had this since May 2010. I probably should have more cycles for having it for this long, but it still works. However, there are times that I wish it would charge a bit faster and hold the the charge a lot longer.
     
  21. macuser2134 macrumors member

    Joined:
    Feb 15, 2012
    #21
    Totally agree with the advice - it makes a lot of sense.

    But something else is really bugging me about this: Why don't Apple build this behavior right into their battery management system? Their circuitry already aught to have the capabilities to do this. Shouldn't it be in Apple's interest to incorporate this as a feature? To minimise the battery replacements they're doing.
     
  22. GGJstudios macrumors Westmere

    GGJstudios

    Joined:
    May 16, 2008
    #22
    Free battery replacements have nothing to do with how people use their batteries. Apple only replaces batteries free if they're defective. If batteries die an early death because people don't care for them properly, Apple charges to replace them. It would be very problematic for Apple to "force" running on battery on some automated schedule, as invariably, that schedule would conflict with many users needs.
     
  23. emir macrumors 6502a

    emir

    Joined:
    Apr 5, 2008
    Location:
    Istanbul
    #23
    Age of my Mac: 21 months (time goes by)
    Cycles: 423
    Life: 87%

    i'm planning on using this for at 48 moths or sth like that, and i think it's very very much possible.
     
  24. xamievilx macrumors newbie

    Joined:
    Feb 7, 2012
    #24
    that seems like a ton of cycles for 1 year...
     
  25. Macman45 macrumors demi-god

    Macman45

    Joined:
    Jul 29, 2011
    Location:
    Somewhere Back In The Long Ago
    #25
    My MBP at 29 weeks ( or battery wise )
     

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