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I've been using Gnome Shell on Ubuntu 11.10 and I've been fairly satisfied. One thing that I really wish was different though is the battery icon. I can't tell by glancing at it what my battery status is at all! Is there are way to add the battery charge percent or the estimated battery time to the icon?

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when I answered it said GNOME3, not GNOME Shell. – RolandiXor Oct 15 '11 at 22:37
I figured as much. I'm sorry if I sounded rude! Thanks for taking the time to read the question. This has been annoying me and I don't know why there isn't an easy way to do this. It's like the gnome devs don't care about knowing how much battery they have left at a glance. – Dason Oct 15 '11 at 22:44
up vote 7 down vote accepted

Take a look at these three extensions, which may be what you are looking for!

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The second one is perfect. Thank you! – Dason Feb 20 '12 at 1:27
you are welcome!! – v2r Feb 21 '12 at 4:03

Left click on the icon and click on the indicator and click "Show Time in Menu Bar", if you are using Unity. If you are using GNOME Shell, then I don't think you can do anything about that (without an extension).

You can install screenlets Install screenlets, which has a screenlet that can show you some more battery info on your desktop. You will probably need to install the battery monitor screenlet as well.

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It's fairly easy to do in Unity as you mention but I haven't found any way to do it easily in gnome shell. I'm open to using an extension but I haven't found any. Do you have a recommendation? – Dason Oct 15 '11 at 22:08
@Dason: honestly I don't know of any extensions, I think you would have to write one. – RolandiXor Oct 15 '11 at 23:10
Thanks for you help. I was hoping there would be an easy way to do this. For the moment I've changed my icon theme because the Ubuntu-mono-dark icon theme (while being relatively nice looking) made the battery icon far too small which made it unusable to tell anything about my battery status. The gnome theme seems to help a little bit and I can tell a little bit more about my battery but I'm still hoping for something that will tell me a percent or a time to discharge. – Dason Oct 15 '11 at 23:19
I've accepted your answer for the time being due to the addition of screenlets. I don't want to go that route (screenlets has always caused me trouble) but it would partially solve the issue. I really do want a better way to view my battery status that is always visible though. – Dason Oct 15 '11 at 23:27

You also can install acpid :

sudo apt-get install acpid

and run in a terminal :

acpi -V 

OR the short version :

acpi -i

This will show you usefull informations : acpid package informations using -V option

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