Just learned draining a L-ion battery completely will permanently damage
the battery's capacity.  I won't be purchasing a new battery until I can
be certain that gnome-power-manager will provide the proper
warnings/actions to prevent damage to a new battery.  I have looked at
the gnome-power-manager source code, but I'm currently not confident
that it is getting the proper information from the
/proc/acpi/battery/BAT*/info file to properly provide a warning or take
action when the battery is at a critical charge state.  Here is my
battery's info.

present:                 yes
design capacity:         5200 mAh
last full capacity:      354 mAh
battery technology:      rechargeable
design voltage:          12597 mV
design capacity warning: 300 mAh
design capacity low:     200 mAh
capacity granularity 1:  32 mAh
capacity granularity 2:  32 mAh
model number:            NS2P3SZNJ5WR
serial number:           17249
battery type:            LION
OEM info:                SANYO

I'm currently working on a perl script to see if I can get the
functionality I need in order to insure my next battery stays fully
functional.  Here's a paste of the script if you are interested in
utilizing it/updating it for your needs.
http://paste.ubuntu.com/340361/

-- 
Laptop Battery Time Remaining Outrageously  Inaccurate
https://bugs.launchpad.net/bugs/120258
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