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6 Posts

11-13-2008

Hebei, China

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HELP! Battery problem of R60 (more info inside)

2008-11-13, 9:44 AM
I bought my R60 9460 last summer, and I didn't use my battery very frequently. But recently when I use the battery , the power may SUDDENLY drop down to 4% from more than 50%, and if I continue to use my ThinkPad, the battery can still hold more than 1 hour!! The Power Manage shows me that everything of my battery is OK. I wander how to solve the problem. Is there any problem with my battery? Thank you!
ThinkPad R60 9460ARC WinXP SP3
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280 Posts

11-11-2008

Canada

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Re: HELP! Battery problem of R60 (more info inside)

2008-11-14, 1:16 AM

Welcome to the forum Harris_Yang!

 

 

Does it say that the condition of the battery is good? What is the design capacity vs full-charge capacity? What is the cycle count?

 

------

 

You could try the following steps to recalibrate the battery:

 

(Your laptop has to be on and plugged in)

 

Click on  Start --> Programs --> ThinkVantage --> Power manager --> Battery information --> Battery maintenance --> 'Perform reset...'

 

 

 

__________________________________________
John B @ forum.notebookreview.com
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280 Posts

11-11-2008

Canada

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Re: HELP! Battery problem of R60 (more info inside)

2008-11-14, 1:16 AM

Welcome to the forum Harris_Yang!

 

 

Does it say that the condition of the battery is good? What is the design capacity vs full-charge capacity? What is the cycle count?

 

------

 

You could try the following steps to recalibrate the battery:

 

(Your laptop has to be on and plugged in)

 

Click on  Start --> Programs --> ThinkVantage --> Power manager --> Battery information --> Battery maintenance --> 'Perform reset...'

 

 

 

__________________________________________
John B @ forum.notebookreview.com

0 person found this solution to be helpful.

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6 Posts

11-13-2008

Hebei, China

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  • Message 3 of 16

Re: HELP! Battery problem of R60 (more info inside)

2008-11-14, 10:16 AM

Thank you for your advice, JohnB!

 

I have checked all the states you mentioned, the condition of the battery is good (the icon is green). And the design capacity and full-charge capacity are both 56.16, and the cycle count is only 32 (In fact, as I could remember, it should be more than 40).

 

I have no chance to "Perform Reset" until the winter holiday because it takes almost a whole day , so if all of above shows that there is nothing wrong with my battery, I will try that as soon as I got chance.

 

And I heard that "Reset " may damage the battery, is that true?

 

 

ThinkPad R60 9460ARC WinXP SP3
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16 Posts

11-14-2008

Singapore

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Re: HELP! Battery problem of R60 (more info inside)

2008-11-14, 12:00 PM

I have similar problem as yours, but may be a little worse. When the battery capacity drops to around 48%, it would suddenly plunge to 4%, and the machine will then shut down due to low battery. The battery will be charged up from here when the power adapter is plugged on. I have yet to test if I could start the computer if the capacity is below 48% charged. The battery unfortunately is not under those due for recall.

 

Equally eager to find out what could be the solution.

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16 Posts

11-14-2008

Singapore

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Re: HELP! Battery problem of R60 (more info inside)

2008-11-14, 12:32 PM

Some update: I charged the battery to about 46%. Take off the power adapter, and power up the computer. It works fine!!

 

Additional information: R60 Model 9457AU5, battery FRU 92P1141 (Sony, Feb 2007), battery cycle count ~35. Design and Full-charge capacity are both 56.16Wh.

 

My biggest concern is whether the sudden drop from 48% to 4% would damage the computer some how, as it seems that there is a REAL disappearance of power (into heat??).

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6 Posts

11-13-2008

Hebei, China

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Re: HELP! Battery problem of R60 (more info inside)

2008-11-15, 2:15 AM

Hello , ELYAP33!

 

According to the information I got from the Internet, I'm sorry But we have to "Perform Reset...".  The problem is that the Power Mgr fail to get the correct info of our batteries. But I do not know why it can't get the info correctly 

 

------

 

And I still want to know if the "Perform Reset..." do harm to my battery or laptop? And if so, what should I do?

ThinkPad R60 9460ARC WinXP SP3
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16 Posts

11-14-2008

Singapore

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Re: HELP! Battery problem of R60 (more info inside)

2008-11-15, 23:03 PM

Hi Harris_Yang,

 

I checked around, and was told that some of the cells in the battery could be bad. Anyway, I will do the Battery Reset just to see if I could correct it. Will update when I complete the reset.

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16 Posts

11-14-2008

Singapore

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  • Message 8 of 16

Re: HELP! Battery problem of R60 (more info inside)

2008-11-16, 22:12 PM

After running the battery reset, the Full Charge capacity is now down to 50% of the design capacity. This is consistent with the earlier fact that it plunged from around 48% to 4%.  And the battery condition indicator (in the Power Manager window) has turned from GREEN (good) to RED (poor).

 

The battery can last for about 1.5 hours of normal use, which is not very different from what it was a few days ago. The battery gauge is now more accurately reflecting the remaining charge of the battery.

 

My conclusion is: the battery has deteriorated (unknowlingly fast). And I will need a new battery if I need to get back to around 3-hour battery operation.

 

 

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6 Posts

11-13-2008

Hebei, China

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  • Message 9 of 16

Re: HELP! Battery problem of R60 (more info inside)

2008-11-17, 5:20 AM
ELYAP33, I feel sorry to hear that your battery has bad cells.

Maybe I know what I should do to fix my charge indicator of the Power Manage. I hope my FullCharge Capacity will not down too much after I run the Battery Reset. I think this is the ONLY solution.

Thank you for informing me your conclusion! That 's really helpful.

ThinkPad R60 9460ARC WinXP SP3
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280 Posts

11-11-2008

Canada

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  • Message 10 of 16

Re: HELP! Battery problem of R60 (more info inside)

2008-11-17, 9:53 AM

Harris_yang,

 

I understand your fear but in the end it should just reflect the real capacity of your battery. Identical full-charge capacity/design capacity for your battery is not realistic...

__________________________________________
John B @ forum.notebookreview.com
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