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Questions tagged [battery]

Questions about battery usage and issues in Ubuntu.

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26 views

Low battery notification on Ubunut 18.04

I was getting low battery notifications earlier when I installed initially, but it seems to broken now, my laptop Asus shuts down without any warning at 20% remaining battery. I tried sudo apt-get ...
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0answers
18 views

Laptop won't charge since I installed Ubuntu, worked fine on Windows and diagnostic says hardware is OK

I've recently installed Ubuntu 18.04 on a machine where previously I was using Windows. Since I've installed Ubuntu I can't charge my laptop. When I was using windows I was able to charge it. I've ...
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26 views

Are extended tlp functions available on my Lenovo Thinkpad 11e w/ Ubuntu 18.04?

I just installed Ubuntu 18.04 on my Thinkpad 11e recently and have been learning what I can do with the command line. I just learned about tlp and installed it to manage my battery life. I also ...
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24 views

Dell XPS 15 9560 NVidia not correctly turned off when Intel graphics selected (Large Battery consumption even on Intel HD Graphics)

I installed Ubuntu 18.04 on my XPS 15 9560 4K model. I get a huge battery cnsumption on powertop (>25 W) when running on Intel HD graphics. When running on NVidia (> 40 W). I only have 3-4 terminals ...
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1answer
33 views

Using 2 batteries with a thinkpad t480

How does Ubuntu decide which battery to use? The laptop is designed so that you can swap out the extra battery (If extra means 'removable' in Gnome), so it would make sense to default to drawing power ...
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1answer
54 views

The Thinkpad T480 boasts 30 hours of battery life, I'm getting 6 [duplicate]

What gives? How come Ubuntu chews through both of my two batteries so fast? Using 18.04.1 by the way.
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2answers
82 views

Battery Issue with Ubuntu 18.04 on lenovo X1 carbon (6th gen)

So I have bought an X1 carbon a week ago. Immediately changed the SSD and installed ubuntu 18.04. A week later, today, I cannot boot the machine unless I am plugged into the power adapter. I can ...
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1answer
13 views

Thinkpad X201 battery sometimes shows 2% for a few hours

I am new here so thank you for the welcome! I am having a few issues with my Thinkpad X201 running Ubuntu 18.04 that I was hoping you could help me with. Most of the time, everything is fine with a ...
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33 views

Battery status is not correct

I just got Thinkpad e480 and I upgraded BIOS to the last available and replaced Windows wizh Ubuntu 18.10. What I have found out is that the battery status does not work. It always shows 99%. Any ...
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0answers
67 views

Ubuntu Battery Life on XPS 13 9343

Running Ubuntu 18.04.1 LTS on my Dell XPS 13 9343 (2015). From my experience, Windows would get me around 5-6 hours comfortably, and in comparison Ubuntu seems to top out at 4-5. I've installed TLP ...
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1answer
76 views

Hibernate/suspend on critical battery level - where should I set it from MATE GUI?

I have bought new battery for my laptop. It is running Ubuntu MATE 16.04.5 LTS. This new battery have normal capacity, charging and provides long life :) But I have small problem: when battery level ...
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31 views

Laptop powers off instead of suspending when power reaches critical-battery-level

I am running Ubuntu 18.04 on System76 laptop. I am able to successfully suspend the laptop manually. However, the laptop powers off instead of being suspended when critical battery level is hit. ...
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1answer
68 views

Laptop battery stopped working suddently [closed]

My laptop battery used to last 2-3hrs, and from one day to another its autonomy dropped to 15 mins, and a few hours later it wasn't functioning at all any more (as soon as I unplug the power cord, the ...
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0answers
75 views

Substantial battery life improvement in 18.10. But also video flickers. Are they related?

In Ubuntu 18.04, my battery life was getting so poor that I ordered a new battery from Dell. I was already doing everything to save battery, running with not-bright screen and the low performance ...
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0answers
57 views

Ubuntu 18.04 lost the battery icon

I am using Ubuntu 18.04 since it was released. I installed GNOME Tweak Tool to show the battery icon. Today the icon was lost. But in GNOME Tweak Tool the battery percentage configuration is "ON". ...
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0answers
21 views

Ubuntu battery life on Macbook Air (6,2) - 14.04 (good) vs 16.04 and 18.04 (kinda bad)

14.04: When I initially installed Ubuntu 14.04 on my 6,2 MacBook Air, I was flabbergasted by the reported (and actual) battery life: OS X reported ~12 hours Ubuntu 14.04 reported ~14 hours (yes, my ...
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66 views

Lenovo ideapad 320 15IKB Intel i5-8250U consumes more battery on Linux

Lenovo ideapad 320 15IKB, intel i5-8250U consumes more battery (almost double) on Linux compared to Windows 10 while performing similar tasks. I have tried updating the Kernel to latest version using ...
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0answers
26 views

How to set Ubuntu 18.04 to leave 5% charge in notebook battery?

We recently bought a Lenovo notebook, which has two batteries (inside + one quickly changeable outside). I can see that Ubuntu 18.04 is using only one battery at a time, consumes it fully, then it ...
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2answers
69 views

Laptop battery critically low cannot remove notification

I installed and used Linux for the first time - Ubuntu 18.04.01 lts. My laptop's battery is almost dead sitting on 0% and the notification keeps popping every 5 minutes. Is there any way to disable ...
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0answers
28 views

Ubuntu (likely) reporting incorrect battery level

A few days ago, Ubuntu (18.04 Bionic Beaver, kernel 4.15.7-041507-generic) started displaying an incorrect power level for my battery. How do I know? I don't, but my Dell XPS13 has a little button ...
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50 views

Lenovo high temperatures and loud fan

i have Lenovo Y50-70 with Ubuntu 18.04.1 LTS and problem with high temperatures and loud fan and fast empty battery This is not a problem in Windows i read this post , when i type sudo pwmconfig ...
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0answers
14 views

Laptop screen goes blank on reducing brightness

Immediately when I reduce brightness, the screen goes blank. The screen also goes blank when I plug out and plug back in the AC adapter. Only the screen goes blank, the laptop is on. And it is not ...
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0answers
58 views

Can Ubuntu keep my battery healthy?

I primarily use my laptop with the charger plugged in. In windows i had the "Dell Command | Power Manager" that gave me the option to run the laptop on AC power, which extends the health of the ...
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0answers
30 views

cpu usage is high under battery power ubuntu 18.04

I've noticed since the very 1'st day I installed ubuntu 18.04 my battery life surprisingly reduced.so I checked system monitor. I noticed that only one of my CPU core is always run on high usage while ...
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2answers
404 views

Ubuntu 18.04 battery life

I know there are many questions on this argument, but I want to be sure that the answer for old ubuntu version can be used for this version, so this is the question, how can I improve my battery life ...
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1answer
50 views

TLP (Power saving) - Will configuration remain after uninstall?

As the title says: will selected configuration remain after TLP uninstallation? For example, if I configure TLP to disable USB ports in AC and Battery modes and then I uninstall TLP, will USB ports ...
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0answers
143 views

Ubuntu 18 keeps on restarting automatically (triggered by moving the laptop) [closed]

I have a ubuntu 18.04 system on an Asus ZenBook laptop. I am facing the issue that my laptop keeps on restarting again and again. It started an hour ago. I have tried shutting down once but problem is ...
0
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1answer
66 views

How to adjust battery threshold on ubuntu 18.04?

I tried tlp and set START_CHARGE_THRESH_BAT0=0 STOP_CHARGE_THRESH_BAT0=60 and it didn't work I have a Asus vivobook s14
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0answers
34 views

Ubuntu not detecting battery on HP x2 210 G2

I've installed Ubuntu on this laptop (three flavours) after wiping the system of the original copy of Windows that it came with, and while it was mostly functional, one major aspect that concerned me ...
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0answers
6 views

Brightness only goes to maximum when having booted with the power cable plugged in (Ubuntu 16.04; Samsung NP470R5E)

When my Samsung NP470R5E Laptop is booted when the power cable is plugged in, the screen brightness starts out at the maximum. This behavior continues when I unplug the power cable and run it on ...
1
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0answers
35 views

16.04 horrible battery life all of a sudden

I've been using ubuntu for the last month or so on my laptop and it's been working fine, up until last week. I am using a Dell XPS 15 9570 Nothing has changed except I followed this guide https://...
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0answers
30 views

CPU Scaling governor on tlp

I'm configuring tlp on Ubuntu, and I'm wondering if "powersave" governor will affect my device and not reducing the performance speed. If it's reducing the performance is it possible to have the ...
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0answers
33 views

My laptop is getting very hot

I am using ubuntu 16.04, my laptop gets heated and the fans does not stop and the battery drains fast, i'm working on a brand new Lenovo ideapad 320-15ikb I7 8550u mx150. Solutions ?
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100 views

Ubuntu 18.04.1 - wrong battery status when boot in battery

Since I upgraded ubuntu from 16.04 to 18.04.1 found that when booting in battery, when I plug in the ac adapter, does not detect that is charging altough displays the correct percentage, starts ...
2
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1answer
87 views

Set different blank screen timeouts when on battery or ac

is it possible to set different blank screen timeouts in Ubuntu 18.04 with Gnome when on battery or ac? The power settings menu provides only one field which is applied always, no matter of the ...
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0answers
159 views

Windows Vs Ubuntu 18.04.1LTS: in T470 and XPS 15: More battery usage. High usage CPU/TLP is not solve problem? Same issue with Mint vs Win10?

I installed Ubuntu 18.04.1 LTS dual boot on windows 10 Enterprise than I like it but I decide to uninstall it. Because with out doing any thing I got high CPU GPU usage and battery life than in ...
5
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2answers
289 views

How can I disable automatic screen dimming when the wireless mouse has low battery?

Similarly to this question, I find that when a wireless mouse with low battery is plugged into a laptop running Ubuntu 18.04 on battery power, the screen automatically dims after 15 seconds of ...
4
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1answer
225 views

Sleep mode drains battery very fast

Battery drains in about 10 hours when the computer is asleep with Ubuntu 18.04, it is a lenovo y520 (7700hq, 1060 with bumblebee). When I tested no USB devices were plugged in, actually nothing was ...
6
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1answer
280 views

How to disable “Mouse battery low” notification in Ubuntu 18.04?

Notification blocks for example tabs from browser and is very annoying overall. Mouse works fine and will most likely continue working over a month, and battery is really simple to swap. Therefore ...
4
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1answer
136 views

Poor battery life and performance due to incorrect CPU frequency scaling

lscpu shows a minimum CPU speed of 1600MHz, rather than 400MHz as the actual minimum. This is absolutely killing my battery life (I get about 2-3 hours rather than the 8-10 I get under Windows on the ...
1
vote
1answer
37 views

My ubuntu shuts down when not connected to charge without giving any warning despite having more than 50% charge

I have an HP notebook which I had dual booted with Ubuntu 16.04 Initially, the laptop worked well for 4-5 months without any problem but since the past 1 month it automatically shuts down when not ...
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0answers
53 views

Battery status not shown properly

Recently I upgraded from 16.04 to 18.04 and really happy with it. Wanted to decrease the brightness when running on battery and increase the same when connected to an external power supply. So, I ...
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0answers
64 views

Ubuntu Mate battery charge indicator disappears after reboot

I've installed Ubuntu, installed Mate on it, customized placement of panels. Now every time I reboot, the battery indicator icon isn't shown on the panel until I right-click it, choose "Add to Panel.....
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0answers
102 views

Battery capacity wrong percentage

I was investigating the battery life of my laptop. In this context I ran the following code upower -i $(upower -e | grep 'BAT') which gave me: native-path: BAT0 vendor: ...
3
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0answers
25 views

How do I manage when to use external battery in a dual-battery laptop?

I have a Lenovo X270 laptop which has two batteries; one internal and one external. I tried installing Ubuntu 18 and the first battery was being drained to 0% and then the external battery was being ...
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0answers
9 views

Laptop shut off randomly and wont turn back on

As the title says I have a laptop that has been working perfectly fine. Today I was watching a youtube video and the laptop suddenly turned off (I was at around 75% battery) and now it wont turn back ...
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1answer
21 views

Does having a jpg for a desktop background decrease battery time to 'fully discharged'?

I thought I had read that having a desktop background as a jpg from the pictures folder made no difference to power consumption compared to running the standard Ubuntu background. However a few short ...
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0answers
17 views

Wireless Card Consuming 15W Ubuntu 16.04

The battery life on my laptop is extremely poor. I have run powertop to understand what is consuming the most power. The base power consumption is given as 25W, where 15W-16W of this is apparently ...
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0answers
57 views

Showing “No batteries available” on kubuntu 18.04 in Lenovo G450 laptop

I installed kubuntu 18.04 on my Lenovo G450 laptop. But in the system tray when i am hovering my mouse pointer on the battery icon it's showing that "No Batteries Available". How to resolve this ...
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0answers
45 views

Led power blinking in suspend mode Ubuntu 18.04

I have a Samsung NP300E4A laptop. I've always used Windows and ocassionally Ubuntu as secondary OS. A few days ago I've migrated completelly to Ubuntu 18.04. When working on Win and finished my day I ...