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Apple Notebooks Apple's notebook computers including MacBook Pro, MacBook, MacBook Air, PowerBook, and iBook.

Battery life?


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Mojo027

 
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Do ibooks and powerbooks really get that much battery life?
Is the given 6hrs or 5hrs when idle, or at full cpu utilisation?
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FishinFool

 
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I have both the powerbook and the ibook
The powerbook gets about 2hrs of battery life
And the iBook gets about 4hrs of battery life

http://www.girr.org/random_stuff/pb15_battery_life.html

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Mojo027

 
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Wow you've got to be kidding me. The chances of me getting a mac just plummetted.
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trpnmonkey41

 
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I get 4.5 - 5 hours on my powerbook without a problem

Don't forget to use the new User Reputation System
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FishinFool

 
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Wow 5 hours
I dont really care about battery life that much...the only time you really need it is if you travel, then you would need to get a aditional battery.
But I have used my ibook and powerbook on the plane a few times to watch movies and such.
For using it around the house the battery life is fine

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Icarus
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I get around 3-3.5 hours on my powerbook. If you aren't using airport or bluetooth, it jumps a lot. If you really need to worry about power consumption, what are the odds you are going to need airport or bluetooth?

I'm perfectly satisfied with my battery life - tears the crap out of my old dell laptop. (got 1.5 hours avg)
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TylerMoney
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yes, if you don't have to use blue tooth or airport, you get much more. While surfing, chating, and working with adobe programs, I get anywhere from 2.5-3.5 hrs of battery life. It helps if you put screen brightness down. If I'm just chating and surfing, I get more like 3.5-4.5. Battery life on apples is actually really good...especially the iBooks. They definenlty compare to pc laptops....and there is a lot more to them.
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FishinFool

 
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I use both so maybe thats why I am not getting as much battery life

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Cloudane
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A lot of it depends on what you use it for and how well you look after the battery.

Follow the instructions here for best results:
http://www.apple.com/batteries/notebooks.html
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Murlyn

 
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Yeah no doubt.. I have three batteries. Two of them get around 2 hours with airport on, with airport of 3-3.5 hours, my 3rd battery with airport on, 20 minutes, with it off, 45 minutes. Yeah that 3rd battery is shot
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red milk

 
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ok. i got my powerbook sometime late august and no, i didn't do the calibration thingy at first...
but i'm getting lousy 2 hours battery life. however, i always have my airport on (it's kind of the point so you can move around the house and still be connected >_> )
but a lot of people seem to be getting much more.
do you think my battery is faulty? should i just get a new one... ghh.
i don't mind it THAT much but it is annoying to know it could be much better...
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There is a way to reset or recalibrate the battery. Here are two documents from the Apple site on batteries.

Lithium-ion batteries
Battery Reset 2.0 Document and Software

I don't think you want to use the second link. I would check you user's manual about calibrating your battery.

Looking back at this post I found this post #9.

Life isn't about waiting for the storm to pass, It's about learning to dance in the rain!
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Murlyn

 
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Airport drains your battery and quick, so I would say you are getting quite good battery life, many people get 2 hours without airport on, so that's really good. I know I can't get 2 hours with my airport card on. I usually just plugin when I am around the house, I have sockets everywhere with a power cord already hanging out of it so it's easy for me to plugin
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red milk

 
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alright. makes me feel a bit better.

can you guys also tell me whats the best way to treat your battery?
i already know that at least once a month i should drain my battery. is it bad if it happens more often? also, always charge to full? or is it ok to just charge to say 80%?

i'm hopeless in these things and don't wanna damage my battery unintentionally.
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tariq
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the batteries are pretty "smart", you shouldn't have any problems doing what you mentioned.

btw I get 4-6hrs on my PowerBook
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