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50
votes
7answers
10k views

Can a laptop battery explode while using Linux?

I have a 2013 Retina MacBook Pro, and I really want to install Debian on it. I have the know-how and have had at least three Debian systems before this. I am very knowledgable with the command-line ...
17
votes
1answer
4k 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 ...
14
votes
9answers
7k 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 ...
14
votes
6answers
4k 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 ...
12
votes
2answers
21k 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 ...
9
votes
3answers
540 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 ...
9
votes
2answers
2k 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 ...
6
votes
2answers
9k 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 ...
5
votes
1answer
287 views

Undesired shutdown on low battery - Debian Testing

I'm currently using Debian Testing (stretch) after a hard drive crash on my laptop, but I'm facing a weird issue with it. The laptop (Acer 5830TG) has a non-removable three-cell 6000mAh Li-Ion ...
4
votes
2answers
861 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?
4
votes
1answer
591 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 ...
4
votes
2answers
899 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
257 views

Script for “battery level reminder”

I want to plug in the laptop battery charger when the battery level goes down to 40% and then plug it out when the battery charge level reaches 80%. And for that reason, I need a script that would ...
4
votes
1answer
126 views

Mint battery hogger

Here's my friend's laptop configuration: Linux Mint & Windows 8.1 Intel Core i7-3537U NVIDIA Kepler GeForce GT 740M & Intel HD 4000 4Go RAM All the drivers are up to date Here's the ...
3
votes
3answers
898 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 ...
3
votes
1answer
39 views

Where are upower's icon-names defined?

When I run upower -i /org/freedesktop/UPower/devices/DisplayDevice (may be different on different machines, get a list with upower --enumerate), I get output similar to this: power supply: ...
3
votes
1answer
263 views

How to detect the presence of a battery?

I'm trying to automate desktop setup, and as part of that I'd like to install a battery monitor package only if the machine currently has a battery attached (UPSes and other external batteries are not ...
3
votes
1answer
7k 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 ...
3
votes
1answer
25 views

Preventing battery from constant charging in Ultrabook

I'm running Debian Jessie (64-bit) on a newly-acquired Samsung Ultrabook NP900X3E, so far everything's working as it's supposed to. However, the battery life is okay, but not great. Therefore, I ...
2
votes
1answer
550 views

get system uptime on battery?

How to know system uptime under battery ? so that i can get exact time of battery backup the uptime shows complete uptime (AC/Battery) NOTE : I am using linux Mint 17.
2
votes
1answer
1k 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
57 views

GNOME 3: How to display status of multiple batteries?

T400, Debian Jessie, GNOME 3.14 How can I see both batteries (main and ultrabay) when clicking on the battery icon? I looked for a suitable extension on http://extensions.gnome.org/ , but I didn't ...
2
votes
0answers
29 views

Is there a way to control the battery charging port of a laptop?

So here's the idea, i want to be able to control this so as to keep the battery wear level to a minimum. At >25% , the battery will be in discharge 'mode' and as the battery reaches <25%, I will ...
2
votes
0answers
484 views

Lenovo T440s battery status unknown, but charging?

I'm trying to configure my Lenovo on arch linux. The last thing I need to do is get the battery 100% working. Right now it appears that the main battery's state is unknown: ...
2
votes
3answers
483 views

Ubuntu 14.04.1, 14.10 base distros take 30min+ to get to splash screen

Update: I've found a temporary workaround, but I would still like to find a more permanent solution. Workaround: I startout the boot process with the laptops battery removed. If I do this it boots ...
2
votes
0answers
501 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
2answers
5k views

Elementary OS is overheating my laptop. why? How to fix it?

I just finished installing Elementary OS and I realize that my laptop is overheating. Before I installed EOS I used Ubuntu 11.04 and everything was fine. Also the time to charge the battery now is ...
2
votes
0answers
898 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
2k 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" ...
1
vote
1answer
300 views

Laptop battery doesnt raise from 59% (ie showing wrong battery stats )

iam using LinuxMint-17.2 Lenovo z500 fixed Nvidia gpu issues (installed bbswitch successfully ), also fixed Screen backlit issue iam only left with this battery issue Battery indicator is not stuck ...
1
vote
1answer
1k 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 ...
1
vote
1answer
36 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
43 views

No perf (linux-tools) for kernel 4.5.2

When I first installed 16.04 LTS, at kernel 4.4.0, I had a decent battery life of about 3 hours average, but I upgraded to 4.5.2 to solve the suspend problem and some other issues, and now it's less ...
1
vote
0answers
53 views

Battery never stops charging!

I have a Manjaro Xfce latest version. My laptop is a Lenovo Z500. I've recently noticed that my batter is always at %99 and keeps on charging. Is there a way to make it stop charging at 99%, or ...
1
vote
0answers
15 views

Linux Mint Hangs on Battery Check, Can't Access Terminal

freaking out a bit here. Put in a lot of work tonight on a major paper that I cannot now access. I was just about to go to bed and launched Minecraft for a 10 minute time of decompression and ...
1
vote
0answers
50 views

Is there a way/program to count the discharge cycles of my laptop battery?

I have read posts online that after a number of discharge cycles (~30 cycles) you must perform a calibration by doing a full discharge, then letting the battery rest for 5-10 hours and then a full ...
1
vote
0answers
214 views

XMobar-friendly low-battery warning?

I'm in the process of setting up a laptop running Debian Jesse with xmonad as the display manager. I use xmobar to display information about the current state of the system, including the battery ...
1
vote
0answers
71 views

What are the consequences of disabling nmi_watchdog?

My aim was to improve battery life for my laptop. I have already applied some advised modifications like enabling ALPM, and adding pcie_aspm=force drm.vblankoffdelay=1 i915.semaphores=1 at grub ...
1
vote
0answers
95 views

How to disable AC power supply from CLI

This article among others suggested the following to prolong battery life: Keep cool. Operate in mid SoC of 20–80%. Prevent ultra-fast charging and high loads (most Li-ion) The main issue here ...
1
vote
0answers
299 views

Linux mint 17 battery information inconsistent

The battery (time remaining) information shown by Linux Mint 17 on my Asus Zenbook UX32LA is inconsistent. When I unplug it from the AC power (99% charged), it says 4:55h, after 1 min it shows 7:15h, ...
1
vote
2answers
45 views

Running applications depending on battery or charging

What are good program or script solutions to run specific applications depending on whether the laptop is running on battery or charging? In order to conserve battery, I automatically want to stop ...
1
vote
3answers
2k 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 ...
1
vote
0answers
347 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
159 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
1answer
97 views

switching from Ubuntu to Arch, battery life reduced by 90%

On my thinkpad t440s I ran ubuntu 14.04 happily for around 2 years, in the beginning having a battery life of over 7 hours, and still now easily 5 or 6 hours. Recently I switched to Arch, and I can't ...
0
votes
1answer
93 views

Better battery saver linux between ubuntu mate and xubuntu

I have tried xubuntu, lubuntu and ubuntu mate. I found xubuntu and ubuntu mate desktop environment good. My main concern is battery saving. Which saves better battery between Ubuntu mate and xubuntu
0
votes
2answers
247 views

How can I reduce my Laptop's power consumption when running Linux?

I just installed Linux on a laptop of mine (it's Lubuntu 15.04 on a Lenovo X201, Core i5 M540, 2GB mem). I'm currently seeing 21580 mW power draw with a couple of apps open (Firefox with a few tabs ...
0
votes
1answer
35 views

Battery standby [closed]

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
1k 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
0answers
13 views

Linux has horrible battery life on high end laptop [duplicate]

I'm running 64 bit mint 17.3 cinnamon on my lenovo yoga 2 pro (4th gen i7, 8 gb ram, ssd). It has a quad hd 3200x1800 resolution display. I realize this is most likely bottle necking my battery life. ...