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Battery life shorter than expected.
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Forum Regular
Join Date: Sep 2006
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I do regular calibration and this still happens. I even took out the battery for sometime at 50% charged.
Isn't that all in the instructions and i've followed it? I don't get it. Anyway it can be help?
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simple but nice
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Moderator  Join Date: Jan 2001
Location: Polwaristan
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Is it shorter in real life or just according to the utility?
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Posting Junkie
Join Date: Oct 2005
Location: Houston, TX
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80% is on the low side for a 1 year/60 cycle battery, but not excessively so. Has it been exposed to extreme temperatures (outside 50-95F or 10-35C)?
Calibration doesn't extend your battery life, it just makes sure OS X accurately reports it.
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Forum Regular
Join Date: Sep 2006
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Originally Posted by mduell 
80% is on the low side for a 1 year/60 cycle battery, but not excessively so. Has it been exposed to extreme temperatures (outside 50-95F or 10-35C)?
Calibration doesn't extend your battery life, it just makes sure OS X accurately reports it.
I'm not too sure about the temperatures. I think it hasn't been because mostly it has been inside my room which is not accessible for sun-rays. There was once i was using it fully charged with the cable power on. Meaning I did used it for (i don't know how many hours) in that manner.
Is it shorter in real life or just according to the utility?
It shouldn't be 81%, it should be more than that; after considering the time i owned it and number of charge-cycles.
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simple but nice
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Senior User
Join Date: Feb 2007
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Hee hee, I use my MacBook plugged in for most of the day and my battery is at 102% after 6 months of use. Luck of the draw I guess.
(Yes I've calibrated my battery recently, so Coconut shouldn't be too far off for me)
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Forum Regular
Join Date: Sep 2006
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Originally Posted by JonoMarshall
Hee hee, I use my MacBook plugged in for most of the day and my battery is at 102% after 6 months of use. Luck of the draw I guess.
(Yes I've calibrated my battery recently, so Coconut shouldn't be too far off for me)
how is that possible? 102%?
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simple but nice
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Senior User
Join Date: Feb 2007
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Current battery capacity: 5312mAh
Original battery capacity: 5200mAh
This pic's from a little while back and was before a callibration:
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Fresh-Faced Recruit
Join Date: Jun 2007
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(
Last edited by sm0; Jun 22, 2007 at 07:56 PM.
)
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Forum Regular
Join Date: Jun 2007
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I've got a C2D MacBook, November with 200 cycles at 97% capacity. Odd.
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Forum Regular
Join Date: Sep 2006
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Originally Posted by JonoMarshall
Current battery capacity: 5312mAh
Original battery capacity: 5200mAh
This pic's from a little while back and was before a callibration:
do u use ur MBook without your battery? (like you remove the literally from the Mbook) and run from the power? I don't think i'd ever reached a 100%, most was 98% life capacity that was around 2 months ago.
Ps. it really is a downpoint to see Mac manufacturing same batteries with different performance.
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simple but nice
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Senior User
Join Date: Feb 2007
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Nope, battery in all the time, running off the power cord, callibrated it twice, other than that there's nothing special to report. It should prob. be at 80% or so... I feel like the cat that got the cream!
I'm drunk right now, shesh.
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Mac Enthusiast
Join Date: Aug 2006
Location: Right here
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Not to branch off but quick question, What is coconutbattery?
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Moderator Join Date: Jan 2001
Location: Polwaristan
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Forum Regular
Join Date: Sep 2006
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anyone suggest anything i can do about it? I'm going varsity soon so I'd like it under performing with a pathetic 80% of battery life capacity..
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simple but nice
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Forum Regular
Join Date: Nov 2001
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Should I be at 96% after only 7 weeks?
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Forum Regular
Join Date: Jun 2007
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Originally Posted by motoyen
Should I be at 96% after only 7 weeks?
Here's mine, about 97% after 7 months, not weeks. Perhaps I just got lucky with an extremely good MacBook? But my battery's heading over 200 Charge cycles and still kicking strong!
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Forum Regular
Join Date: Sep 2006
Status:
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i'm not trying to spam but i think these previous 2 posts just aren't being basic "help" to me.
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simple but nice
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Grizzled Veteran
Join Date: Aug 2002
Location: Cardboard Box
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You discovered the "Truth" of MacNN forums: Just because a thread starts about you doesn't mean it will end that way.  You are still underwarranty--go see if you can get it replaced.
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Forum Regular
Join Date: Sep 2006
Status:
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I'll say.
There's a replacement for faulty batteries. I think mine qualifies for having lesser capacity than expected. But I once heard that its like less than 3% only Apple will replace it.
FYI, mine's a coreduo. is it the reason of this certain batch.
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simple but nice
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Fresh-Faced Recruit
Join Date: Jun 2007
Status:
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As you can see from the Coconut results for my Battery, i am stuck with a bad battery, now, I just have to wait 2 months, till I go back to USA, to get the exchange...
i am only getting 2hrs of battery life...
any ideas?
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