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13
votes
6answers
2k views

Text only mode in Linux (No Gnome, KDE, Unity) to prolong battery life

If I want to disable my GUIs completely to save battery life, how would I proceed? I know that I can hit Ctrl + Alt + F3 and be on the command line, but the desktop manager would be in the background ...
10
votes
1answer
963 views

How do I make my laptop sleep when it reaches some low battery threshold?

I'm using Ubuntu, but I have i3 as my window manager. Under i3, when my battery reaches 0%, the computer will just abruptly shut down, no warning or anything. Is there a simple script or ...
9
votes
3answers
267 views

Is there a risk of data corruption if suspended laptop runs out of battery?

I often tend to just put my laptop on suspend using xfce4-power-manager, and although usually the battery is sufficiently charged up until the next time (when I plug in the charger), sometimes I ...
8
votes
2answers
1k views

How can I change the battery icon in the systray?

I have installed Gnome and Awesome window manager. The window manager has a panel that displays systray icons according to the freedesktop.org System Tray Protocol Specification. I'd like to change ...
4
votes
3answers
2k views

How can I get an alert when my battery is about to die in Linux Mint?

This happens to me more than I'd like to admit, but sometimes I don't notice the power getting low since it only shows up in my status bar, then the computer just quits. I'd like a big alert that ...
4
votes
2answers
613 views

Dell battery performs worse under Linux

I have recently bought a Dell XPS Touch. I'm dual booting Windows 7 with Fedora 16 (Verne). Right out of the box, Fedora reports 1 hour 26 minutes of battery life at full charge, while Windows reports ...
4
votes
1answer
4k views

How to adjust charging thresholds of laptop battery?

My laptop is Lenovo T400, and OS is Ubuntu 12.04. I have not been able to adjust the thresholds for battery starting charging and stopping charging. I observed that its current starting charging ...
3
votes
2answers
293 views

How to find out the manufacturing date of a battery from linux

How can I find out the manufacturing date of a battery from linux? If this is not possible are there other tests to check if the battery new and healthy which I can run under linux?
3
votes
1answer
279 views

Does UEFI increase battery life?

I've heard about a better power management when using UEFI instead of BIOS. Is that true? It was about energy consumption being more efficient or something like that. If it is true, has the ...
2
votes
2answers
1k views

Why does Linux have poor battery life by default compared to Windows?

Is there something inherent to Linux operating systems that makes them poor managers of battery power by default? I would have thought a light distro like Lubuntu would have a clear battery life ...
2
votes
1answer
517 views

How to check if my battery is healthy?

My Lenovo ThinkPad T61 is rather old, and a couple of years ago I had to replace the battery as the old one was dead. Now the replacement battery seems like dying a slow death, but I get conflicting ...
2
votes
1answer
530 views

My Laptop Fans drive me crazy on linux and much less battery

I have a Vaio VPCEA36FG laptop and both windows.8 and elementary OS (ubuntu 12.04 kernel) installed on it. when I am in windows everything is just fine, fans work perfectly efficient and my battery ...
2
votes
0answers
205 views

Battery issues on a Lenovo Ideapad Z460 running Ubuntu 13.10

I've been using Ubuntu 13.10 on my Lenovo for more than 5 months without a problem. Yesterday I disconnected the AC adapter to take the laptop with me to the couch and it simply shut down. So I ...
2
votes
0answers
404 views

Battery monitor always at 100%

I have Linux Mint 15 KDE and my battery monitor always shows full energy, even when it's about to be exhausted. Any ideas why is this happening? acpi output: Battery 0: Discharging, 0%, 02:27:21 ...
1
vote
1answer
18 views

What does the `maximum error` field in `sudo dmidecode -t 22` mean

When I do sudo dmidecode -t 22 to get some information about my battery there is a field called maximum error For my new battery maximum error is 15 % (cheap replacement from a web store) for my old ...
1
vote
0answers
104 views

How do I stop charging the battery way prior to 100% in OpenBSD?

I'm thinking about using a netbook as an OpenBSD server. I'd like it to have UPS -- so the integrated battery is quite useful. However, I'm very familiar with the batteries going dead very quickly ...
1
vote
0answers
114 views

Battery not detected on my embedded device on reboot

I have an ARM based embedded device with Linux Kernel 2.6.31 running on it. I have seen that while rebooting the device sometimes battery won't get detected and the device will just fail to boot. Any ...
0
votes
2answers
201 views

Battery full notification

I am using a Linux distribution, I didn't get any notification even after the battery is full. Is there any custom script to run battery charge status and output a sound notification when the ...
0
votes
1answer
24 views

Battery standby [on hold]

I am using a lenovo z570 laptop. In windows I am able to use the laptop for around 2.30 hrs in normal usage.But when I use any Linux distro the battery drains a lot faster. I am able to use only for ...
0
votes
1answer
91 views

How to make sure that Thinkpad discharges external slice battery first?

The thing is that when an external slice battery pack is connected, the laptop first discharges the internal one. This is a problem because then it is impossible to switch between multiple external ...
0
votes
1answer
655 views

My laptop shuts down every time I unplug it

I am using a Lenovo G580 with Linux Mint 14 updated. My laptop shuts off every time I unplug it as if there is no battery even when I am using the BIOS. But, It detects the battery as "84% charging" ...
0
votes
1answer
53 views

xfce4-power-manager not updating; ACPI finding an unknown battery but working fine?

I recently upgraded my Asus S56CA Ultrabook and unfortunately my battery indicator in xfce4 stopped working. I am running Debian 8 (Jessie). uname -a gives me this: Linux 3.14-2-amd64 #1 SMP Debian ...
0
votes
1answer
33 views

laptop enery management for improving battery lifetime Linux

I have bought a Lenovo Ideapad that cames with Windows preinstalled. I installed Ubuntu 14.04 to dual boot. There is a tool for Windows called Lenovo Energy Manager that allows to control the charge ...
0
votes
1answer
1k views

Elementary Os its overheating my laptop why? how fix it?

I just finished install Elementary OS and I realize that my laptop is overheating. Before install eOS I used Ubuntu 11.04 and everything was fine. Also the time to charge the battery now its very ...
0
votes
0answers
138 views

how to tell hibernate, if battery low

I need to tell to power-manager (with gnome-shell) , if battery is low,pm-hibernate will be run. Now i want to tell via gsettings commmand. How can i do it?
0
votes
0answers
118 views

Under Mint 12 and the latest version of the Enlightenment window manager the battery monitor gadget doesn't report correctly

Can anyone give me a clue where to look to fix it, and, can anyone point me to a good replacement?