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Old 02-01-2010, 04:43 PM   #1
mutexe
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"laptop currently has X% battery life left" apps


Hiya,
Any programs out there I can get to show this on my laptop please? I've searched this forum for "laptop" and "power", but threads are going on about increasing battery life and not actually showing how much battery is left on the machine.

Many thanks in advance,

tom

ps running slack 13 on dell xps m1330, thx.
 
Old 02-01-2010, 05:55 PM   #2
onebuck
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Hi,

Which DE/WM ?

I've got KDE w/13_64 and the battery monitor shows the battery state/condition along with the AC plug condition.

You need to realize that a monitor of the type that you want will not be a true representation since the load will vary.
 
Old 02-02-2010, 04:35 AM   #3
mutexe
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Cheers.
Damn, I knew I forgot something. I'm running fluxbox.
I realise it won't be completely accurate, I just want some warning it's getting low, rather than it just powering off
 
Old 02-02-2010, 05:14 AM   #4
mrclisdue
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I spent many, many months a year or two ago trying to find something that suited my needs and looked nice (to MY eyes...)

A meter or gauge (eg, in conky) wouldn't be sufficient, because if I were deep in thought whilst composing to LQ, I may not *see* that I have 0% battery, and my solution to indeed, finally, make this "The Year of The Linux Desktop!" vanishes before my eyes...(which is probably, actually, a good thing.)

None of the wm docklets, etc *looked* good to me.

I ended up writing a bash script that invoked an xosd display (a varying colour (based on capacity) "meter") that would flash and dance and spur me to save my work, or plug the thing in, or shut it down, etc.

I don't use it anymore (it was slightly fugly script-wise and eyes-wise, but worked almost flawlessly (I'd give it an 8.2 on the dependability scale)), but it's backed up somewhere.

Alas, for me, the simplest solution turned out to be running kde's guidance-power-manager, which places a nifty icon in the tray, has a highly-configurable gui which...well, you'll see - it *should* be all you'll need. The reason it took me so long to find it was that I didn't have kde installed when I was frantically searching, so it was never considered....


cheers,
 
Old 02-02-2010, 07:13 AM   #5
mutexe
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Thanks for the reply mate. I'll have a look into it. Altho i dislike KDE and always have :/

Thanks again,
Tom
 
Old 02-02-2010, 07:28 AM   #6
XavierP
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Doesn't GKrellM have a battery monitor? Speaking purely from memory, I am almost convinced it does. If you don't mind adding the app to your desktop, it could do the trick.
 
Old 02-02-2010, 07:57 AM   #7
manwichmakesameal
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I have these lines in my ~/.conkyrc
Code:
${offset 240}${color slate grey}Battery: ${color white}${battery_percent BAT0}%
${offset 240}${color slate grey}AC Adapter:
${offset 240}${color white}${exec cat /proc/acpi/ac_adapter/ADP0/state | grep state}
I have the adapter state one because my laptop is in my work van most of the time plugged into an inverter and I like to know when I lose power.
 
Old 02-02-2010, 09:18 AM   #8
mudangel
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tint2 has a builtin battery meter
 
Old 02-02-2010, 09:23 AM   #9
gapan
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I have libnotify + notification-daemon installed and I have configured gkrellm to run:
Code:
notify-send -u critical -i battery-caution "Low battery: 15%"
when the battery reaches 15%, and
Code:
notify-send -u critical -i battery-caution "Very low battery!"
when it reaches 8%. Both with a repeat of 60 seconds.
 
Old 02-02-2010, 09:23 AM   #10
dive
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conky can too
 
Old 02-02-2010, 09:23 AM   #11
allend
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I use WMab on my laptop under WindowMaker with -L 25 (for low) and -C 3 (for critical). http://www.dockapps.org/file.php/id/31

From the command line 'cat /sys/class/power_supply/BAT1/uevent'. (Make an alias for convenience).

Last edited by allend; 02-02-2010 at 09:26 AM.
 
Old 02-03-2010, 07:14 AM   #12
mutexe
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Wooohoo! Cheers all, i shall have a play with all of these options tonight.

Thanks again,

Tom
 
Old 02-03-2010, 09:27 AM   #13
tommcd
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If you prefer XFCE, there is a battery monitor plugin for the XFCE panel:
http://goodies.xfce.org/projects/pan...battery-plugin
There used to be a slackbuild for this at slackbuilds.org. I don't see it there at this time though.
 
Old 02-03-2010, 02:09 PM   #14
mattca
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the battery level, max charge and ac connection status are updated in text files in /sys/class/power_supply/

if you're not afraid of writing scripts, you could just use that.
 
Old 02-04-2010, 03:17 AM   #15
mutexe
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Cheers Mattca, that's useful to know.

Tom
 
  


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