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New laptop battery - Windows power meter problem.

post #1 of 7
Thread Starter 
Hello,

I have recently bought a new 9 cell battery for my laptop, an HP g6 1224sa.
This was to replace the stock 6 cell battery.
However, the battery only appears to charge to about 50%.
But when the battery reaches 0%, it will still last for an hour or two longer before it actually dies.
It is as if the battery isn't 'set' properly, or windows isn't reading it's power level correctly.

I have tried draining the battery and completely charging it while the computer is off and the problem still remains.

Does anyone know how I can fix this?
It is very inconvenient to not know how much battery life is left!

Thanks.
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post #2 of 7
Usually there's a battery calibration utility in BIOS that will discover/set the parameters of the battery for a more accurate estimate.

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00821536&cc=us&dlc=en&lc=en
post #3 of 7
Thread Starter 
Quote:
Originally Posted by beers View Post

Usually there's a battery calibration utility in BIOS that will discover/set the parameters of the battery for a more accurate estimate.

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00821536&cc=us&dlc=en&lc=en

Thanks for the reply!

Unfortunately there is no battery calibration utility in my BIOS.
The HP utility in windows also did nothing useful.

Does anyone have any other ideas?
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Intel Core i5 3570K Asus P8Z77-I Deluxe MSI TF3 7950 OC BE 1000/1500 16GB Corsair XMS3 (8x2GB) 1600MHz 
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Crucial M4 128GB WD 2TB Caviar Green Noctua NH-D14 Windows 7 Home Premium 64-bit 
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Asus VS247H-P Logitech K360 Corsair HX650 Fractal Design Node 304 
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My System
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Intel Core i5 3570K Asus P8Z77-I Deluxe MSI TF3 7950 OC BE 1000/1500 16GB Corsair XMS3 (8x2GB) 1600MHz 
Hard DriveHard DriveCoolingOS
Crucial M4 128GB WD 2TB Caviar Green Noctua NH-D14 Windows 7 Home Premium 64-bit 
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Asus VS247H-P Logitech K360 Corsair HX650 Fractal Design Node 304 
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post #4 of 7
Thread Starter 
Bump, any other ideas?
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Intel Core i5 3570K Asus P8Z77-I Deluxe MSI TF3 7950 OC BE 1000/1500 16GB Corsair XMS3 (8x2GB) 1600MHz 
Hard DriveHard DriveCoolingOS
Crucial M4 128GB WD 2TB Caviar Green Noctua NH-D14 Windows 7 Home Premium 64-bit 
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My System
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CPUMotherboardGraphicsRAM
Intel Core i5 3570K Asus P8Z77-I Deluxe MSI TF3 7950 OC BE 1000/1500 16GB Corsair XMS3 (8x2GB) 1600MHz 
Hard DriveHard DriveCoolingOS
Crucial M4 128GB WD 2TB Caviar Green Noctua NH-D14 Windows 7 Home Premium 64-bit 
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Asus VS247H-P Logitech K360 Corsair HX650 Fractal Design Node 304 
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post #5 of 7
I would install the BatteryCare software from http://batterycare.net it will tell you what capacity ratings are being reported to the computer. If it shows that the battery is reporting incorrect info, which is very possible and common, then perhaps the manufacture can replace the battery.

If its not the battery, then perhaps there is an OS file patch you could apply so the correct capacity is used for your starting calculation.

I forget what the driver files are off hand, but some have reinstalled them and had success with similar issues.

-John
http://SafeBatteries.com
post #6 of 7
Thread Starter 
Quote:
Originally Posted by SafeBatteries View Post

I would install the BatteryCare software from http://batterycare.net it will tell you what capacity ratings are being reported to the computer. If it shows that the battery is reporting incorrect info, which is very possible and common, then perhaps the manufacture can replace the battery.

If its not the battery, then perhaps there is an OS file patch you could apply so the correct capacity is used for your starting calculation.

I forget what the driver files are off hand, but some have reinstalled them and had success with similar issues.

-John
http://SafeBatteries.com

Thanks for the reply!

I've have BatteryCare installed for a few days now, and it's giving me these values:

Designed capacity: 68429 mWh
Total capacity: 68429 mWh
Current capacity: 26957 mWh

This is at a 'fully charged' capacity, or 39% according to windows.
I'm not sure how to use the calibration utility either.


Any other suggestions?
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 3570K Asus P8Z77-I Deluxe MSI TF3 7950 OC BE 1000/1500 16GB Corsair XMS3 (8x2GB) 1600MHz 
Hard DriveHard DriveCoolingOS
Crucial M4 128GB WD 2TB Caviar Green Noctua NH-D14 Windows 7 Home Premium 64-bit 
MonitorKeyboardPowerCase
Asus VS247H-P Logitech K360 Corsair HX650 Fractal Design Node 304 
MouseMouse Pad
Logitech MX  SteelSeries QcK 
  hide details  
Reply
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 3570K Asus P8Z77-I Deluxe MSI TF3 7950 OC BE 1000/1500 16GB Corsair XMS3 (8x2GB) 1600MHz 
Hard DriveHard DriveCoolingOS
Crucial M4 128GB WD 2TB Caviar Green Noctua NH-D14 Windows 7 Home Premium 64-bit 
MonitorKeyboardPowerCase
Asus VS247H-P Logitech K360 Corsair HX650 Fractal Design Node 304 
MouseMouse Pad
Logitech MX  SteelSeries QcK 
  hide details  
Reply
post #7 of 7
A calibration occurs when you run the battery completely out of power and the laptop battery tells the computer how much power is left. So based on the numbers you posted I suspect the issue lies with the battery.

If you were able to run your computer past 0% then the battery should have recalibrated it's self and fixed the problem.

Try to send that battery back for another one, I suspect the issue is inside your battery.

-John
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