Is there a Linux equivalent to Samsung Battery Life extender

Discussions about Linux installation and configuration on Samsung laptops
terry
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Is there a Linux equivalent to Samsung Battery Life extender

Postby terry » 19/05/2010, 2:42

Looking into the samsung-tools, there is no such function to control the battery charge as in Windows so as to extend the battery life.

The Samsung battery life extender extend the batt life by limiting the full charge percentage to 80% so that the full charge/discharge cycle will be decreased to some extent.

I found the battery status and info under /proc/acpi/battery/BAT1, but I am not sure if it's possible to do the same by make changes to these files on the pseudo file system.

Code: Select all

root@ubuntu:/proc/acpi/battery/BAT1# cat state
present:                 yes
capacity state:          ok
charging state:          charged
present rate:            0 mA
remaining capacity:      4400 mAh
present voltage:         12534 mV


Code: Select all

root@ubuntu:/proc/acpi/battery/BAT1# cat info
present:                 yes
design capacity:         4400 mAh
last full capacity:      4400 mAh
battery technology:      rechargeable
design voltage:          11100 mV
design capacity warning: 0 mAh
design capacity low:     132 mAh
capacity granularity 1:  1 mAh
capacity granularity 2:  1 mAh
model number:           
serial number:           
battery type:            LION
OEM info:                SAMSUNG Electronics

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voRia
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Re: Is there a Linux equivalent to Samsung Battery Life exte

Postby voRia » 19/05/2010, 13:02

The battery life extender functionality is provided by the BIOS, and only for some models.
The only way to use it is to "talk" with the BIOS, and this requires additional kernel drivers which are not available for linux.
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