Critical Battery Suspends Incorrectly

I'm using gnome-power-manager, and my computer suspends wonderfully. I'm not sure which method I'm using since I tried both and I cannot recall what I did on my last effort to get suspend/hibernate to work. However, after my laptop suspends for being idle, charges down past critical battery level, I start it up. I made the critical battery level mark 5%, by the by, so that it can suspend for a good while without me noticing.
Anyway, I start it back up at a power level bellow critical and it doesn't complain. This is one issue. I feel like this behavior is the wrong one. Can someone explain to me why it is not or why I should look at it another way? Or should something be filed upstream-ish/to the package manager?
As I leave the laptop on and plugged in, the battery charges. Upon reaching the 5% level, it tells me my battery level is critical and suspends. This is just plain wrong. If I'm charging and the battery level goes critical, it should not suspend. I feel like I should post this to the package manager of gnome-power-manager. Thing is that I don't quite remember which package that is. Truly, I feel like I should post this to GNOME, but I think there's a pecking order for these things?

majiq wrote:
Anyway, I start it back up at a power level bellow critical and it doesn't complain. This is one issue. I feel like this behavior is the wrong one. Can someone explain to me why it is not or why I should look at it another way? Or should something be filed upstream-ish/to the package manager?
As I leave the laptop on and plugged in, the battery charges. Upon reaching the 5% level, it tells me my battery level is critical and suspends. This is just plain wrong. If I'm charging and the battery level goes critical, it should not suspend. I feel like I should post this to the package manager of gnome-power-manager. Thing is that I don't quite remember which package that is. Truly, I feel like I should post this to GNOME, but I think there's a pecking order for these things?
Both these issues sound like valid bugs to me and I would certainly up-stream them - especially the second.
Arch is a pretty raw distribution in so much as it makes little or no modifications to the up-stream packages. This will typically mean that you can report issues with packages directly up-stream - which most developers would prefer. But you are right - if unsure it is a good idea to check to see if it is a distro specific issue first.

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Critical Battery alarm needs to be heard, even when muted.

Hello all and thanks for the support.
I have a DV7 w/Vista Home Premium SP2 64-bit that is used for telecommuting. The Citrix app I remotely log into fills the entire screen including the task bar of the local machine with the desktop of the remote machine. I never see the warnings of low/critical battery. I have changed the sound in Windows sound control to a more obnoxius sound (ringout.wav) so I hear it during normal hours.
My problem is that most (just about all) of the time the laptop is muted so that my young child is not waken during nap time or late at night when I can actually work. I need the critical battery alarm to umute the sound and possibly turn it up/down to a reasonable volume to let me know that I need to plug it in. Is there a way to do this? Or even put a message on the screen like the volume control stating to plug in NOW.

http://docs.info.apple.com/article.html?artnum=61711
Try looking at the above link if you have not already to see if any of it helps solve your issue.

Cannot lower Critical Battery Level in Power Options

I am wanting to adjust the Critical Battery Level in Power Options to something lower than the default 7% that HP has set. When I try to change the number, it will not save and it just magically jumps back to 7%. This means that my laptop will hibernate when the battery level reaches 7% and I cannot turn it back on unless I plug it into AC power. 7% equates to roughly 40 minutes of battery time and I find this setting way too conservative.
I have done some research on this issue and have found the following:
Some suggest that PC manufacturers will somehow lock this setting to an arbitrary minimum and the user cannot change it to anything below this minimum (it appears HP have set it at 7% in my instance).
This link suggests using power.cfg and the command line to make the changes How To Lower the Critical Battery Level to 1% in Windows 7
Steps I have taken to try and resolve this:
I have tried the powercfg.exe method described in the aforementioned link to change the critical battery level to 3% and initially it appears to work. When I open up the Power Options screen, it indeed says 3%. However, when I actually test it out by using the laptop, it will still automatically hibernate at 7% battery level - it simply ignores the 3% setting.
I have also tried using powercfg.exe to change the Critical Battery Action to "Do Nothing" and likewise this setting is ignored and the laptop hibernates anyway.
I have phoned HP support and the only useful information that I got from them so far, is that the PC manufacturer has set it to 7% and it cannot be changed. They said they will escalate this matter to the research team and give me a call back.
I phoned Microsoft support and the consultant seemed to be confident that he could fix the issue but would not divulge the answer because he said that doing so would void the HP warranty and he didn't want to be to one to do that. He suggested that I call HP and request a conference call with Microsoft and they could then fix it. He seemed to be of the belief that if HP has set the 7% minimum that they should be the one to remove the limit.
If nothing works, I wonder if completely formatting the laptop (including removing the HP recovery partition) and then reinstalling a different Windows 8.1 (or Windows 7) will let me have full customization of the Critical Battery Level?
I would really appreciate your thoughts on how to fix this. It really fustrates me that HP thinks they know better and that the user needs to have 7% battery reserved - it is such a waste not to be able to utilize a battery to its full potential.

Hi @Sparkles1 ,
There must be an alternative solution to this.
What is the reasoning behind HP locking this setting at 7% minimum? I understand that a battery should not be run down to 0% as this will damage the battery but 7% is unreasonably high and in fact this does not conform with ACPI standard specification. I refer to the following document: https://msdn.microsoft.com/en-us/library/windows/hardware/dn481320%28v=vs.85%29.aspx
In particular, please see the table where it says that the critical battery level must be set to a value between 0 and 5%
Can you please advise how to change this? I believe this is a software related issue (specifically, the battery drivers). Can you issue an alternative driver to install? If you insist that it cannot be done, I will have no other option than to return the laptop and request a full refund.

Program start on critical battery alert

Hey,
in windows XP i had the possibility to start a program once the battery of my notebook reached the 0%mark (or in other words I could choose to start an application as an action on the "critical battery alert".) This feature was removed in Windows Vista :(
Will it be available in Windows 7 again? Is there anything I can do to catch this event with the task-scheduler? I searched the forum, no topics about it.
I did a google research - many people would like this feature.
I searched for the event-id of the critical battery alert in the event-log but didn't find anything.
has anyone any more information? Why has this feature been removed? How can i work around it without starting my application manually or leaving it running the whole time?
thanks,
alex

hi,
did you receive any solution/workaround for the problem stated above? please mail back if anything helped you at [email protected]
best,
astatine

Critical battery shut down - at 50%!!!! (T440s

Hi ,
I bought a new Lenova Thinkpad T440s (20AQ006VAD) 2 days back. System shutdown when the battery level reaches 50% and does not wake up without connecting charger. critical battery level is set to 5% on power options. Can anyone help me to fix the issue

Hi Nmshameem,
Welcome to Lenovo Community!
We understood that you are facing the issue with battery on your ThinkPad T440s.
To resolve this issue please open power manage and go to Battery menu and click on Battery Maintenance, you will get a new window and click on Perform Reset under Battery gauge reset.
Note: Please connect the power adapter while performing reset, and this process may take nearly 2 to 4 hours.
Hope this helps.
Best regards,
Hemanth Kumar
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X1 12942PG: Critical battery issue

Hi, i've recently buy a Lenovo Thinkpad X1 12942PG and since i've begin to use it, the thinkvantage toolbox showed a message about a critical battery problem ("problème critique de batterie" en français) and asked to install an update on this website, i've installed the 2 updates regarding the battery, and it changes anything.
What can i do?
Thanks in advance
Moderator Note: Edited subject to match content.

do a battery reset in the Thinkvantage Manager, if that doesn't fix the issue, then you should call the warranty department, as you would need a new battery.
I had a battery replaced due to some issues with the battery.
Regards,
Jin Li
May this year, be the year of 'DO'!
I am a volunteer, and not a paid staff of Lenovo or Microsoft

Critical Battery Level shutdown on desktop after CMOS replace...

So after speaking with an HP tech.. she told me to go buy a replacement battery and described how to do it.. no problem.. so i go ahead.. but find that my computer is still restarting with the "critical battery reached blah blah blah" business as before.. anyone else run into this BS???

somebody has to have some answers lol.. its happened everyday the last 3 days, today while i was in the middle of a playing a game. just shutdown, reboot with the "battery has reached critical state" message upon startup.. again, HP support had me replace the battery on the motherboard, did that, and its still happening.. not a notebook, a desktop.. make and model are posted above.. plz help anyone lol.. thx in advance.

Simple critical battery level warning script

This is a little script I wrote for use on my laptop. I wanted to have some kind of visual cue to let me know when the battery charge gets below a certain level and this is what I came up with:
#!/bin/bash
# Configuration
interval=120 #in seconds
critical_level=10 #percent
icon="/usr/share/icons/Tango/48x48/devices/battery.png" #notification icon
battery_id="BAT1" #ACPI battery identifier
ac_adapter_id="ADP1" #ACPI power adapter identifier
while true
do
if [ "$(cat /proc/acpi/ac_adapter/$ac_adapter_id/state | grep -o off)" == "off" ]; then
battery_max=`cat /proc/acpi/battery/$battery_id/info | head -3 | tail -1 | awk '{print $4}'`
battery_current=`cat /proc/acpi/battery/$battery_id/state | head -5 | tail -1 | awk '{print $3}'`
battery_level=$((100*$battery_current/$battery_max))
[ $battery_level -le $critical_level ] && \
notify-send -u critical -i "$icon" -t 15000 \
"Battery level is low!" "Only $battery_level% of the charge remains."
fi
sleep $interval
done
This script uses notification-daemon (or notification-daemon-xfce) package. It can be configured by editing values in the "Configuration" section. I just autostart it with my openbox session. It all should be pretty self-explanatory otherwise.
I hope someone finds it useful.
EDIT: Some improvements to the script.
Last edited by fwojciec (2008-07-09 13:11:14)

robmaloy wrote:
thx, really cool i always forget to look after my battery percentage
maybe you can replace "BAT1" and "ADP1" with variables, so configuration would be easier
Thanks I made changes according to your suggestion.
moljac024 wrote:laptop-mode tools has an option of running commands when battery charge reaches a certain level. You could just run notify-send from there.
You mean in the auto-hibernate section? I use it as it was supposed to be used -- for hibernating -- and I think you can only set one command that's executed according to a specified battery level in laptop-mode-tools. Plus it would be sort of complicated, since displaying the notification depends on two conditions in this script -- specified battery level and power cord being disconnected.

Battery shows incorrect time and no notification on low battery

Hi everyone,
I have just purchased a new battery, of course its not an original one. The problem is that my battery meter shows the percentage incorrectly. Like it says 42% remaining, but suddenly my laptop got in to hibernation (as i set the action to perform upon low battery level reaches). Now what can be the issue? As the battery new and its working fine, i mean its giving me backup of 2+ hours. Oh, and my laptop is DV6-2157wm with Windows 7 Home Editions (64-bit).
Waiting for your kind suggestions and tips.
Take care,
Regards
Fahad Ali

Please have a look here.
http://windows.microsoft.com/en-us/windows-vista/Battery-meter-frequently-asked-questions
Why does the time remaining on the battery meter change drastically sometimes?
Battery life depends primarily on two things: what you do on the mobile PC while it's running on battery power, and the power plan settings that control the computer's use of power. The mobile PC's power consumption varies constantly, depending on your particular activity and how long you spend on that activity. For instance, watching a DVD consumes considerably more battery power than reading and writing e-mail. For these reasons, the battery meter often lags in reporting the charge and the estimated time remaining.
hence battery meter is never so accurate. older the battery, chances are more of sudden drop.
Regards,
WW
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Low Battery/Critical Battery Alarm on Equium A100-027

I have bought an Equium A100-027 running on Vista Home Premium this Feb. Since then I have installed quite some software, eg Nokia phone software, bluetooth drivers, A-Virus & all MS updates.
When the battery gets low or critical I don't get any audio warning, despite having this option ticked in the Advanced Settings of the Power Options and using the Win default sound scheme.
The soundcard & speakers definitely work as I get the Win sound notifications and can play CDs, etc.
Is there a driver/software that can be re-installed to get this working again as System restore would only let me go back a month.
Thanks for any help,
Markus

Hi,
I saw your post before and I understand you need some help.
I can just give you the following suggestion:
- Update to the latest bios version ! (Check this site out:http://eu.computers.toshiba-europe.com/cgi-bin/ToshibaCSG/download_bios.jsp?service=EU&mode=allMachines)
- Recover your machine and update ALL drivers/tools/etc., but before installing some "foreign" software, check if the "beeping" works correctly (For that stuff go here:
http://eu.computers.toshiba-europe.com/cgi-bin/ToshibaCSG/download_drivers_bios.jsp)
- Install your other software (Nokia manager, etc...) and check after every newly installed software if it still works. If after installing a specific software the "beep" doesnt work anymore then you know where the problem lays and you did some good software troubleshooting. ;)
In case of any questions: Just post :)
Greets

Critical Battery Level reached, forced restart on my desktop

Hello all. My HP Pavilion e9180t will suddenly shutdown and restart at random times. Upon restart it says that it was shutdown due to the battery reaching critical levels. I spoke with a representative over the phone and she had me change my CMOS (?) battery. So i bought one and replaced that, its still happening though. Any help would be fantastic..
HP Pavilion e9180t 64bit
Intel Core i7 [email protected]
Windows 7 Home Premium
1TB HD 9GB RAM

Hi,
Remove the battery and check the voltage with a volt-ohm-meter. It's possible that the replacement is not at 3+ volts. At 2.5 volts you might start seeing issues and at less than 1.8 volts the battery is at the critical level.
You should be using a lithium CR2032 battery. You might see close to 3.3v on a fully fresh CMOS battery.
If your PC is running on UPS then this could also cause an error message. Check the electrical power to the UPS and/or by-pass the UPS to determine if the UPS is the issue.
HP DV9700, t9300, Nvidia 8600, 4GB, Crucial C300 128GB SSD
HP Photosmart Premium C309G, HP Photosmart 6520
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Low Battery warning incorrect

I've read a lot of posts about varying battery life on the 5Gs. I was concerned that my battery was dying too quickly because the meter would jump from full to half full after only twenty minutes or so. After reading some posts, I decided to completely drain the battery and then recharge it fully a few times. I turned the backlight to "always on" and have been playing songs for five hours now and it's still running (albeit with a red battery meter). I think the meter is just a little jumpy. I can't complain too much though. I mean, over five hours with the back light on after starting with a half charge? That seems pretty good to me. Turn the light to five seconds and it would probably run for the advertised time.

I don't know if it is bad to allow an Lithium-ion battery completely discharge regularly but it is bad if left that way for an extended period of time. When completely discharged, you should charge it completely right away.
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Should an auto-shutdown because of critical battery change kernel_task usage at all?

I only ask because when my MacBook Pro 13" (Early 2011) 10.7.2, shutdown because of low battery, I put it on charge. The next day when I booted it up again it started running super-mega slow. The only reason I can find for this is kernel_task at 330mb, and about 300 % CPU.
It runs fine in Safe Mode.
The whole auto-shutdown is the only change I made between normal speed and claw-my-own-eyes-out speed.

Fixed:
Plugged in power supply and rebooted, now it works fine.

Battery percentages incorrect?

Has anyone else noticed that when fully charged the iPhone takes a while to go from 100% to 99% and from 99% to 98%, like it has a lot of battery and it's not draining fast? But then it can drain from 30% to 20% or 20% to 10% much faster? Is that some kind of software bug or what?

Has anyone else noticed that when fully charged the iPhone takes a while to go from 100% to 99% and from 99% to 98%, like it has a lot of battery and it's not draining fast? But then it can drain from 30% to 20% or 20% to 10% much faster?
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IPad(1) Critical Battery problem after updated to iOS 5.0.1

Hi people,
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This didn't happen when using version 5.0.
Anybody face this issue too?
Thanks.

Sorry, didn't read your post carefully.

Critical Battery Suspends Incorrectly

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