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Windows 7: battery

02 Nov 2010   #1
bagavan

Windows 8 Professional x64
 
 
battery

Even though I fully charge until windows notifies 100% the report shows 22400 but how can I get it to charge till the designed capacity




Attached Images
battery-bat.png 
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02 Nov 2010   #2
richc46

Microsoft Community Contributor Award Recipient

Windows 10, Home Clean Install
 
 

You are suffering from memory loss. If you do not allow a battery to fully discharge from time to time, if forgets how much it can hold. After a while it will only charge part way. In another scenario, the battery may be dieing and you will have to replace. In either case there is not way to fix the problem
http://mobileoffice.about.com/od/usi...topbattery.htm
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02 Nov 2010   #3
alfred01

Windows 7 Home Premium 64 bit SP1
 
 

Beat me to it Richard.
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02 Nov 2010   #4
bagavan

Windows 8 Professional x64
 
 

But I discharge the battery very frequently..I did not use this one for few days.
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02 Nov 2010   #5
Pusspa

 
 

I thought it was just the older generation of batteries like Nicad that had memory issues. I am fairly certain Lion in fact prefer not to be totally discharged, but like little recharges. Though I do believe there is a limit to the amount of times you can recharge them before they start to lose capacity, due to oxidation of the chemicals in the battery.
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02 Nov 2010   #6
bagavan

Windows 8 Professional x64
 
 

Even I was wondering about that li ion does not have memory issues
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02 Nov 2010   #7
Dwarf

Windows 8.1 Pro RTM x64
 
 

How old is the battery? The typical life expectancy of rechargeable Lithium Ion cells is 2-3 years or approximately 300-500 recharge cycles (a period of use from full charge to full discharge and back to full charge), whichever occurs first. For partial charge/discharge cycles, the life expectancy should be based on age.
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02 Nov 2010   #8
bagavan

Windows 8 Professional x64
 
 

Quote   Quote: Originally Posted by Dwarf View Post
How old is the battery? The typical life expectancy of rechargeable Lithium Ion cells is 2-3 years or approximately 300-500 recharge cycles (a period of use from full charge to full discharge and back to full charge), whichever occurs first. For partial charge/discharge cycles, the life expectancy should be based on age.
It is one year old.
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02 Nov 2010   #9
mitchell65

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

You could allow the battery to discharge normally. Then, whilst not using the AC adapter, just the battery, reboot the laptop and go to the Blue set up page. Just leave this page open until it fades to nothing. That way you fully discharge the battery. When Windows is open the sysytem will shut down when there is still about 8% charge remaining. This is to protect windows. When the Set up screen disappears, press the on switch for 5 seconds. Leave for 30 mins. Plug in the AC adapter swith the wall socket on but do not power up the laptop. Leave and this should charge the battery to 100% of capacity. if not the battery is probably fried!
My System SpecsSystem Spec
02 Nov 2010   #10
Fayla

Windows 7 Professional 64 Bit SP1
 
 

Quote   Quote: Originally Posted by bagavan View Post
Even I was wondering about that li ion does not have memory issues
In-built protection or not, you can still damage hardware by mis-use.
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