How to calibrate ASUS k52f battery on Ubuntu?

Posted by cutalion on Super User See other posts from Super User or by cutalion
Published on 2012-11-27T14:17:44Z Indexed on 2012/11/27 17:07 UTC
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Filed under:

linux

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ubuntu

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battery

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asus

I'm not sure if the problem is in software or my battery is dying, I'll move my question to another forum if it's not a SO question

I have a problem with the battery on my laptop - ASUS K52F. It shows incorrect information about capacity. When I unplug the charger it can work some time, but then it will power off without any warnings. Sometimes it will power off right after I unplug the charger.

Here is some info I could get:

> uname -a
Linux alligator 3.5.0-18-generic #29-Ubuntu SMP Fri Oct 19 10:26:51 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

> acpi -i
Battery 0: Charging, 99%, 18:25:15 until charged
Battery 0: design capacity 5235 mAh, last full capacity 69964 mAh = 100%

> cat /sys/class/power_supply/BAT0/uevent
POWER_SUPPLY_NAME=BAT0
POWER_SUPPLY_STATUS=Charging
POWER_SUPPLY_PRESENT=1
POWER_SUPPLY_TECHNOLOGY=Li-ion
POWER_SUPPLY_CYCLE_COUNT=0
POWER_SUPPLY_VOLTAGE_MIN_DESIGN=10800000
POWER_SUPPLY_VOLTAGE_NOW=9246000
POWER_SUPPLY_POWER_NOW=176000
POWER_SUPPLY_ENERGY_FULL_DESIGN=**48400000**
POWER_SUPPLY_ENERGY_FULL=**646822000**
POWER_SUPPLY_ENERGY_NOW=**643588000**
POWER_SUPPLY_MODEL_NAME=K52F-44
POWER_SUPPLY_MANUFACTURER=ASUSTek
POWER_SUPPLY_SERIAL_NUMBER=

I noticed, that POWER_SUPPLY_ENERGY_NOW and POWER_SUPPLY_ENERGY_FULL are greater than POWER_SUPPLY_ENERGY_FULL_DESIGN. I don't think it's ok :)

I can run any additional commands.

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