Battery always says full, but is it?

The battery indicator is always full when it is connected to the computer, the wall charger, and the Pioneer car adapter. The problem is, when I disconnect it from any of the 3 sources, it instantly shuts down. When I reconnect it, the apple icon comes up, them goes back to charging only to get right back to the battery full indicator.
A few times, I can get 30 minutes out of it if I am lucky before it shuts down again.
Any help is greatly appreciated

okay thanks for the help so far.
I ran the diagnostics like you suggested, here goes:
ID = 0X57
VCC = 796 (4864mV)
BATT = 528 (4236mV)
ACC = 255
The ChargingADC Test says 0, with the other numbers changing the 2 times I have done it.
Ibat says Pass
I have had this ipod since June of 06. I use it 3 hours a day, 5 days a week, and very little on the weekends.
The battery charge indicator in the upper right corner ALWAYS says fully charged, but as soon as I disconnect the power, the screen "melts".
I don't have my 1500 songs in my itunes library, but my videos, and photos are on my pc. I don't want to have to burn all my cds again, that took quite some time the first time.
If I have to replace the battery, I don't care, but I dont want to lose my songs. But, should I have to replace the battery already?

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Laptop battery always on full, 100% when connected to AC

Hi,
I usually use my laptop on AC with battery removed. Last week I used it from battery, then connected the laptop to AC. If I remember correctly battery started to discharge to 90 something percent after a while, but now it is always on full.
acpi -b
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I have the following packages installed:
local/laptop-mode-tools 1.61-2
local/acpi 1.6-1
local/acpid 2.0.16-3
local/linux 3.5.3-1
My question: is it fine to have the battery always on full? Or was it better when it was charging/discharging automatically?
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siriusb wrote:
Let me clarify myself. When the battery is in place and the laptop is running from AC, sooner or later you will see that the battery is fully charged. When this fully charged status has been accomplished, charging stops and battery starts discharging (let's say from 100% to 95%) then charging starts again. I think that was the way it worked some weeks ago. My experience in this very moment is that battery is reported to be fully charged. Always. No drop from 100%.
I think the charger electronic prevent the battery from overcharge, but I don't know why is the change in the behavior described above. Was it a bug and now it's fixed or now we have a bug.
Anyway, people contradict each other how to prolong the health of a battery, but I found that usually they say if one usually uses a laptop from AC the best thing is to remove the battery when charged to 50-60% and store in a dry place, and from time to time it's advised to charge/discharge it.
Uh... what make is your laptop, for example I'm using a Compaq laptop so my laptop has a big Compaq at the base of the screen and nice big Q on the back. I wouldn't be surprised if your laptop is a Dell. Google for product reviews for your laptop: So, since my laptop is a Compaq and it's a CQ60-420US
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CQ60-420us battery charge/discharge behavior
or something like that into the address bar for chromium, and then press enter.
EDIT: The best way to use/store a battery, and you can quote me on this 'cause I took a Electrical engineering class last semester and know what I'm talking about, is to just charge it all the way up and then use it till it's almost out of battery power. If you charge it when it's at half capacity it will eventually do bad stuff to the battery, or something like that. Anyway, it's just healthier for the battery to have the chance to fully discharge per every full recharge. You don't have to let it go all the way to 0%, 'cause your laptop will probably cut off if you do that, so let it get as close to zero as you feel comfortable with.
A good program for keeping an eye on power stuff is wmacpi. It's what I use, since conky isn't reliable on my hardware when it comes to the battery. Install it thusly:
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If you use openbox, like I do, you can add the following line to your ~/.config/openbox/autostart file.
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Last edited by lspci (2012-08-28 22:11:57)

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Battery always says full, but is it?

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