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iPod battery meter
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Fresh-Faced Recruit
Join Date: Feb 2004
Status:
Offline
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I have a 3g 40gb ipod, charged via firewire on my PC. I tend to leave it on random nights to charge (whenever it's running out of power. My computer's on 24/7.) When I take it off the cradle in the morning, it always seems to show low battery power on the battery monitor on-screen. Most of the time this slowly increases over the course of the next 5 mins or so until it's showing full power. Any ideas why this happens...? Is it usual, or is my PMU a bit confused?
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Mac Enthusiast
Join Date: Sep 2000
Location: Silicon Valley The home of empty office buildings
Status:
Offline
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You might find this interesting.
Link to article
Technically, the following is an iPod hint, but since you can perform it from the Terminal, I consider it at least somewhat OS X related ...
If you'd rather have your (third generation only) iPod display an actual value for its battery state (instead of the disappearing battery bar graph), just open the Terminal (with the iPod docked and available as a hard drive) and type:
touch /Volumes/your_iPod's_name/iPod_Control/Device/_show_voltage
Replace your_iPod's_name with the name of the iPod as shown in the Finder. Now eject, disconnect, and restart your iPod, and you should see a number in the top right corner of the screen -- on a full charge, mine was showing 474; I believe the maximum is 500.
I found this on iPodHacks while looking for something completely unrelated...
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Grizzled Veteran
Join Date: Nov 2003
Location: Calgary, Alberta
Status:
Offline
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Good tip...
Going to try this tonight.
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Who reads this???
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Fresh-Faced Recruit
Join Date: Feb 2004
Status:
Offline
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Many thanks. The number looks like it'll be a lot more useful than the standard battery icon. It's just a pity it can't show as a %... 
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Grizzled Veteran
Join Date: Nov 2003
Location: Calgary, Alberta
Status:
Offline
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(Last edited by Daracle; Sep 5, 2004 at 11:03 AM.
)
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Who reads this???
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Mac Elite
Join Date: Apr 2002
Location: Miami Beach
Status:
Offline
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I've had mine showing numbers for a few months now, and I've noticed it dies around 150 to 200. The fact is, the numbers still jump around and it's not a cure-all to the battery meter problem.
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Professional Poster
Join Date: Dec 2003
Location: Los Angeles of the East
Status:
Offline
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Still cool nonetheless  .
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NOW YOU SEE ME! 2.4 MBP and 2.0 MBP (running ubuntu)
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Fresh-Faced Recruit
Join Date: Feb 2004
Status:
Offline
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Yesterday morning, it read 250. I thought it would be OK, since that's about 50%. Ten minutes later, when I want to start playing music, it shoots down to 50 or so, and says there's no battery life left. Which was nice.
The number does seem to jump a fair bit. It seems to get a different reading when it's "cold" - i.e. you've just turned it off hold - from when it's "hot" - you've been using it a while. Note down the number after you've been using the ipod for a bit, then turn it off. When you turn it on again later, the number will more than likely be higher.
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