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

iBook battery life while playing DVDs


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mynameis

 
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Apple says 6 hours, I assume it wouldn't be a full 6 hours if you are watching a DVD, Anyone have a good estimate of how much you'll get when watching a movie?
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rman

 
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You will not be getting 6 hours playing DVDs. Depending on the processor, I would say less than half.

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code777
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no way, i was watching "Iron Monkey" the other night on my 12" iBook G4 and it is about 1/2 that. 3hrs maybe a little more but not 6hrs!
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Long enough to watch a movie though right? My PC laptop couldn't make it to the end of Return of the King.
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tariq
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if you want even more battery life, while you're connected to AC, rip the DVD using 0SEx or MacTheRipper (or any other DVD ripper), and then you can just watch it off your hard drive instead of using extra power for the DVD drive.
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m1k
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Quote:
if you want even more battery life, while you're connected to AC, rip the DVD using 0SEx or MacTheRipper (or any other DVD ripper), and then you can just watch it off your hard drive instead of using extra power for the DVD drive.
That's what I do too, I also use headphones instead of the internal speakers because it cuts down the battery life. Also turning off WiFi saves about 20 minutes... Turning the processor to reduced also greatly helps.
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mynameis

 
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Quote:
Originally Posted by tariq
if you want even more battery life, while you're connected to AC, rip the DVD using 0SEx or MacTheRipper (or any other DVD ripper), and then you can just watch it off your hard drive instead of using extra power for the DVD drive.
Isn't that illegal thanks to the DMCA?
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tariq
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if you own the dvd, it is legal (pretty sure).

its just a backup, you're not making a copy, even if it's illegal, who cares.
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code777
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yeah i watched iron monkey (1.5hrs) and i think i still had at least 40%, well all i know is my iBook didn't go to sleep after the movie as i went online after for another hour and it was still going strong, then i fell asleep.

I also used my Bose TriPorts (don't kill me!) as i don't like the internals at all.
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Maxp0wer2004
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Macworld.com has a good way to extend battery life. I dont know if it would work for the iBook, since it was specially talking about the PowerBook, but here it is anyway:

Important: DO NOT USE THE LAPTOP DURING ANY OF THIS

When you get the laptop, charge the battery until it is full, then unplug the power and let the battery drain. Once it has drained, fully charge it again, and then you are free to use it.

This is long and complicated, but it is good for "stretching" the limits of the battery. Once you have done this, macworld.com says that a battery should last 4.5 hours while playing a DVD.

Do this with every new battery, even your current battery may benefit from this
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Well I hook my iBook up to my projector, plug in my powered speakers and dim the screen to watch a DVD.

But that is just me without a TV and I guess you are talking about watching a movie on the go...

I'd also recommend headphones, reduced battery life, maybe even dimming the screen a notch or two if the lighting allows it and make sure bluetooth and wireless LAN are both switched off...

You should definitely be able to watch a DVD then!
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code777
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Quote:
Originally Posted by Maxp0wer2004
Macworld.com has a good way to extend battery life. I dont know if it would work for the iBook, since it was specially talking about the PowerBook, but here it is anyway:

Important: DO NOT USE THE LAPTOP DURING ANY OF THIS

When you get the laptop, charge the battery until it is full, then unplug the power and let the battery drain. Once it has drained, fully charge it again, and then you are free to use it.

This is long and complicated, but it is good for "stretching" the limits of the battery. Once you have done this, macworld.com says that a battery should last 4.5 hours while playing a DVD.

Do this with every new battery, even your current battery may benefit from this
i did this process only ONCE (and i was using the iBook, i did not just leave it on/sleep mode to drain) when I first bought my iBook last week. Shall i do it again / more frequently???
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Maxp0wer2004
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Quote:
Originally Posted by code777
i did this process only ONCE (and i was using the iBook, i did not just leave it on/sleep mode to drain) when I first bought my iBook last week. Shall i do it again / more frequently???

Since this is used to "break in" a new battery, you should do this when you get the laptop(if it has a new battery), and you should do it when you get a new battery.

If you notice that your battery starts to drain rapidly with less use of the laptop, try doing this again.

Also if this is an iBook with Bluetooth and Airport Extreme, disable them to make battery life more efficient. Since AirPort and Bluetooth are constantly sending a signal, disabling would extend battery life.
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tariq
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Quote:
Important: DO NOT USE THE LAPTOP DURING ANY OF THIS
you don't have to leave the ibook alone in order to recalibrate the battery. just use it normally until the battery drains completely, and you are forced into sleep mode.

http://docs.info.apple.com/article.html?artnum=86284
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