Re: Power settings wrong or battery dying?

2018-04-12 Thread Wolfgang Pfeiffer 
On Thu, 12 Apr 2018 16:23:52 +0200
Wolfgang Pfeiffer  wrote:

> You can still try to train the battery for longer run-time
> capabilities: basically I do that by running the computer on battery
> until the system says the battery is near zero or actually zero.

'Battery' here means Li-ion ones ... 
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Re: Power settings wrong or battery dying?

2018-04-12 Thread Tim via users 
Allegedly, on or about 12 April 2018,   sixpack13 sent:
> do you got a setting "calibrate battery" or simular named in your
> BIOS (seen in samsung's) ?
> maybe, try it before buying a new battery.

On one device, that was the end of my battery.  It immediately went
from being not too good, to just lasting a few seconds.

Whether it was really the death of the battery, or just that the
battery monitoring circuit radically changed its threshold, I'll never
know.  It was a one-way trip.

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Re: Power settings wrong or battery dying?

2018-04-12 Thread sixpack13 
do you got a setting "calibrate battery" or simular named in your BIOS (seen in 
samsung's) ?
maybe, try it before buying a new battery.

powertop (last TAB): what's draining
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Re: Power settings wrong or battery dying?

2018-04-12 Thread Wolfgang Pfeiffer 
On Thu, 12 Apr 2018 16:23:52 +0200
Wolfgang Pfeiffer  wrote:

> I try monitoring the battery status while draining the device with a
> command like this:
> watch -dc 'upower -i /org/freedesktop/UPower/devices/battery_BAT1| grep  -E 
> "present|state|to\ full|percentage|capacity|time\ to empty|time\ to 
> full|technology"

Single quote was missing. 
The correct line, hopefully:
watch -dc 'upower -i /org/freedesktop/UPower/devices/battery_BAT1| grep  -E 
"present|state|to\ full|percentage|capacity|time\ to empty|time\ to 
full|technology"'

Sorry!

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Re: Power settings wrong or battery dying?

2018-04-12 Thread Wolfgang Pfeiffer 
On Wed, 11 Apr 2018 18:30:58 +0100
Danny Horne via users  wrote:

> On 11/04/18 18:26, Dave Stevens wrote:
> > On Wed, 11 Apr 2018 18:12:04 +0100
> > Danny Horne via users  wrote:
> >  
> >> From comments received so far it's looking like a battery replacement.  
> > why not do the test first and spend the money later?
> >
> > d
> > ___
> >  
> I have no intentions of spending any money just yet!!  If it needs a new
> battery it's going to have to wait.

I like that approach ... :)

Plus: I don't trust the the battery values indicated by the OS  too
much: one example: I have a battery in a Dell notebook that the system
says has a 100% capacity,  but still the notebook drains down the
device in a running system until ~ 54%, and then in the next minute or
so, it's on 0%. That doesn't seem right. 

You can still try to train the battery for longer run-time
capabilities: basically I do that by running the computer on battery
until the system says the battery is near zero or actually zero. Only
then, and quickly, I re-plug the power cable to the machine. 
I've heard people saying that's the wrong approach, but it seems my
batteries know better: for example I drained the mentioned battery in
the last days a few times, and it seems the "time until empty" from full
went from barely ~60 minutes to ~80 mins. And I probably will keep
trying that ...

I try monitoring the battery status while draining the device with a
command like this:
watch -dc 'upower -i /org/freedesktop/UPower/devices/battery_BAT1| grep  -E 
"present|state|to\ full|percentage|capacity|time\ to empty|time\ to 
full|technology"
(an edit of what  Robbi Nespu was mentioning in this thread)

or this:
watch 'grep -Ei "(capacit|charge)" /sys/class/power_supply/BAT1/uevent'

A safer way to do the drain might be while running the machine in BIOS: I 
have something like a hardware test in BIOS: I start that and unplug the 
machine: this test takes a lot of power, it seems, and it drains the battery
fast.

And yes, I know: even 80 mins is a lousy run-time for a battery. But
IIRC it wasn't even very good after I bought the computer ~4 yrs ago ...

There are a few guides made by Apple on how to train batteries -
they're not active anymore on apple.com it seems - the archived
versions still are:

 
https://web.archive.org/web/20140729195527/http://www.apple.com/batteries/notebooks.html
 http://web.archive.org/web/20141018162218/http://support.apple.com/kb/HT1490

Good luck, and Regards!
-- 
Wolfgang Pfeiffer
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Re: Power settings wrong or battery dying?

2018-04-12 Thread Robbi Nespu 


Well, I could be you battery is dying. This is mine output which has
time to empty and my battery capacity are going down also (last time I
check, it was more than 60%.

present: yes
state:   discharging
time to empty:   2.0 hours
percentage:  90%
capacity:54.4318%
technology:  lithium-ion

You might want to check /etc/UPower/UPower.conf file. Either using
UsePercentageForPolicy=true or UsePercentageForPolicy=false

I once wrote a note about this to myself about this
https://robbinespu.github.io/eng/2018/03/16/Setting_power_management_when_low_battery_on_Fedora.html

p/s : My laptop are 6 years old.
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Re: Power settings wrong or battery dying?

2018-04-12 Thread Danny Horne via users 
On 12/04/18 09:18, Robbi Nespu wrote:
> How much of battery capacity percent you have right now?
> Try to check with this:
>
> $ upower -i /org/freedesktop/UPower/devices/battery_BAT0| grep
> --color=NEVER -E "present|state|to\ full|percentage|capacity|time\ to
> empty|time\ to full|technology"
>
> paste down here, it would be interesting to take a look
>
>
First reading, plugged in, fully charged.  Second reading, on battery
power.  If I'm reading it right the battery has lost capacity over it's
lifetime.

present: yes
state: fully-charged
percentage:   100%
capacity:    45.6019%
technology:    lithium-ion

present: yes
state: discharging
percentage:   99%
capacity:    45.6019%
technology:    lithium-ion

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Re: Power settings wrong or battery dying?

2018-04-12 Thread Joe Zeff 

On 04/12/2018 12:57 AM, Danny Horne via users wrote:

Well the battery has been out for about 15 hours and the laptop claims
it's fully charged, but also says it has less than an hour to run


It's also possible that a capacitor or resistor in that circuit has 
changed its value slightly.  I have an old laptop that stopped admitting 
that the battery was ever fully charged, and a friend of mine who knows 
hardware told me that this was the most likely reason.

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Re: Power settings wrong or battery dying?

2018-04-12 Thread Robbi Nespu 
How much of battery capacity percent you have right now?
Try to check with this:

$ upower -i /org/freedesktop/UPower/devices/battery_BAT0| grep
--color=NEVER -E "present|state|to\ full|percentage|capacity|time\ to
empty|time\ to full|technology"

paste down here, it would be interesting to take a look

On Thu, Apr 12, 2018 at 3:57 PM, Danny Horne via users
 wrote:
> On 11/04/18 17:52, Danny Horne via users wrote:
>> On 11/04/18 17:48, Dave Stevens wrote:
>>> On Wed, 11 Apr 2018 17:41:50 +0100
>>> Danny Horne via users  wrote:
>>>
>>> if you pop the battery out for a day does the same thing happen?
>>>
>>> d
>>>
>> Just popped the battery, I'll report back in 24 hours
>> ___
>>
> Well the battery has been out for about 15 hours and the laptop claims
> it's fully charged, but also says it has less than an hour to run
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-- 

Best Regards,
RN
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Re: Power settings wrong or battery dying?

2018-04-12 Thread Danny Horne via users 
On 11/04/18 17:52, Danny Horne via users wrote:
> On 11/04/18 17:48, Dave Stevens wrote:
>> On Wed, 11 Apr 2018 17:41:50 +0100
>> Danny Horne via users  wrote:
>>
>> if you pop the battery out for a day does the same thing happen?
>>
>> d
>>
> Just popped the battery, I'll report back in 24 hours
> ___
>
Well the battery has been out for about 15 hours and the laptop claims
it's fully charged, but also says it has less than an hour to run
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Re: Power settings wrong or battery dying?

2018-04-11 Thread Matthew Miller 
On Wed, Apr 11, 2018 at 03:10:53PM -0400, Fred Smith wrote:
> There should be a battery-monitor applet somewhere. I am not running
> Gnome, so I don't know where it hides the battery applet, but on 
> Mate its right there on the upper toolbar. In my case I can right-


Actually, the battery applet in GNOME doesn't show detailed
information. However, there is GNOME Power Statistics -- install it
from Software, of course -- which both shows detailed information and
can track usage and provide deeper info.

-- 
Matthew Miller

Fedora Project Leader
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Re: Power settings wrong or battery dying?

2018-04-11 Thread Fred Smith 
On Wed, Apr 11, 2018 at 05:41:50PM +0100, Danny Horne via users wrote:
> Hi all,
> 
> I have a four year old laptop that's running Fedora 27 Workstation.  If
> I leave the thing switched off and unplugged after a day it will need
> recharging by varying degrees.
> 
> Have I missed something in the power settings or is my battery on it's
> way out?
> 
> Thanks for looking

There should be a battery-monitor applet somewhere. I am not running
Gnome, so I don't know where it hides the battery applet, but on 
Mate its right there on the upper toolbar. In my case I can right-
click on it and one of the options there (sorry, I'm not at the laptop
right now, so this is kinda vague) one of the options there will show
you some battery stats. It will include things such as the full capacity
of the battery (when new), current capacity, current charge, and a lot
of other things. The names of those items are a bit cryptic, but it is
possible to figure them out with a little thinking.

So, if the new capacity was (say) 78, and current capacity is (say) 15,
then you know your battery is pretty much useless.

My laptop's battery (3rd-party replacement, now 3 or so years old)
still shows current max capacity at around 2/3 (or maybe 5/8) of the
new capacity, so though I miss the longer lifetime, it is still useful.

One thought, get out of the habit of leaving it plugged in all the
time, that eats lithium batteries, i.e., wears them down faster than
charging when needed.

alternatives are:
1. run on battery, plug in when discharged
2. remove battery when working at a stationary location (some laptops 
are sealed and you can't do this), charge it then remove it, put it back
in when mobile.
-- 
 Fred Smith -- fre...@fcshome.stoneham.ma.us -
   "For the word of God is living and active. Sharper than any double-edged 
   sword, it penetrates even to dividing soul and spirit, joints and marrow; 
  it judges the thoughts and attitudes of the heart."  
 Hebrews 4:12 (niv) --
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Re: Power settings wrong or battery dying?

2018-04-11 Thread Danny Horne via users 
On 11/04/18 18:26, Dave Stevens wrote:
> On Wed, 11 Apr 2018 18:12:04 +0100
> Danny Horne via users  wrote:
>
>> From comments received so far it's looking like a battery replacement.
> why not do the test first and spend the money later?
>
> d
> ___
>
I have no intentions of spending any money just yet!!  If it needs a new
battery it's going to have to wait.
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Re: Power settings wrong or battery dying?

2018-04-11 Thread Dave Stevens 
On Wed, 11 Apr 2018 18:12:04 +0100
Danny Horne via users  wrote:

> From comments received so far it's looking like a battery replacement.

why not do the test first and spend the money later?

d
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Re: Power settings wrong or battery dying?

2018-04-11 Thread Danny Horne via users 
On 11/04/18 18:03, Samuel Sieb wrote:
> On 04/11/2018 09:54 AM, Danny Horne via users wrote:
>> On 11/04/18 17:49, Samuel Sieb wrote:
>>> If it's turned right off, then Fedora has nothing to do with it.
>>
>> That's the thing, I'm not sure if I've missed something in the power
>> settings and it's just going into standby or some other power saving
>> mode
>
> Are all the lights off?  Did you just close the lid, or did you select
> "Turn Off" from the menu?  If the latter, you should have had a black
> screen with a Fedora label, then completely black.  When you start it
> back up, do you still have the applications running that you had
> before or do you have to start them again?  When you turn it back on,
> do you have to click on your username or is it just asking for a
> password?
> ___

Light appears to be off (looks dim in sunlight but I'm sure it's off). 
I select 'Shut Down' when switching off and when it's powered up again
it goes through the whole boot process and I select my account and log in.

From comments received so far it's looking like a battery replacement.
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Re: Power settings wrong or battery dying?

2018-04-11 Thread wwp 
Hello Danny,


On Wed, 11 Apr 2018 17:54:51 +0100 Danny Horne via users 
 wrote:

> On 11/04/18 17:49, Samuel Sieb wrote:
> > If it's turned right off, then Fedora has nothing to do with it.  
> 
> That's the thing, I'm not sure if I've missed something in the power
> settings and it's just going into standby or some other power saving mode

What? Do you mean you're not sure if the laptop is in standby mode,
hibernating or switched off? Sleeping (standby) will eat battery
(usually w/ a LED indicator still up or flashing, but not always).
Hibernation and switch off won't (all leds off anyway).


Regards,

-- 
wwp


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Re: Power settings wrong or battery dying?

2018-04-11 Thread Samuel Sieb 

On 04/11/2018 09:54 AM, Danny Horne via users wrote:

On 11/04/18 17:49, Samuel Sieb wrote:

If it's turned right off, then Fedora has nothing to do with it.


That's the thing, I'm not sure if I've missed something in the power
settings and it's just going into standby or some other power saving mode


Are all the lights off?  Did you just close the lid, or did you select 
"Turn Off" from the menu?  If the latter, you should have had a black 
screen with a Fedora label, then completely black.  When you start it 
back up, do you still have the applications running that you had before 
or do you have to start them again?  When you turn it back on, do you 
have to click on your username or is it just asking for a password?

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Re: Power settings wrong or battery dying?

2018-04-11 Thread Danny Horne via users 
On 11/04/18 17:54, wwp wrote:
> Of course you don't have any USB device still plugged in and draining?
> Some laptops are configured to keep some of the USB plugs powered even
> if computer is switched off.
>
>
> Regards,
>
Nothing plugged in except (usually) the charger



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Re: Power settings wrong or battery dying?

2018-04-11 Thread wwp 
Hello Danny,


On Wed, 11 Apr 2018 17:41:50 +0100 Danny Horne via users 
 wrote:

> Hi all,
> 
> I have a four year old laptop that's running Fedora 27 Workstation.  If
> I leave the thing switched off and unplugged after a day it will need
> recharging by varying degrees.
> 
> Have I missed something in the power settings or is my battery on it's
> way out?

Of course you don't have any USB device still plugged in and draining?
Some laptops are configured to keep some of the USB plugs powered even
if computer is switched off.


Regards,

-- 
wwp


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Re: Power settings wrong or battery dying?

2018-04-11 Thread Danny Horne via users 
On 11/04/18 17:49, Samuel Sieb wrote:
> If it's turned right off, then Fedora has nothing to do with it.

That's the thing, I'm not sure if I've missed something in the power
settings and it's just going into standby or some other power saving mode
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Re: Power settings wrong or battery dying?

2018-04-11 Thread Danny Horne via users 
On 11/04/18 17:48, Dave Stevens wrote:
> On Wed, 11 Apr 2018 17:41:50 +0100
> Danny Horne via users  wrote:
>
> if you pop the battery out for a day does the same thing happen?
>
> d
>
Just popped the battery, I'll report back in 24 hours
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Re: Power settings wrong or battery dying?

2018-04-11 Thread Samuel Sieb 

On 04/11/2018 09:41 AM, Danny Horne via users wrote:

I have a four year old laptop that's running Fedora 27 Workstation.  If
I leave the thing switched off and unplugged after a day it will need
recharging by varying degrees.

Have I missed something in the power settings or is my battery on it's
way out?


If it's turned right off, then Fedora has nothing to do with it.  Check 
in the BIOS if you have wake-on-lan or wake-on-wlan enabled or anything 
else that might keep some hardware active.  Four years is getting old 
for a laptop battery as well, so it could be that.  Is the recharging 
amount related to the time spent unplugged?  I think some laptops turn 
off charging when full until the battery goes down a certain amount as well.

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Re: Power settings wrong or battery dying?

2018-04-11 Thread Dave Stevens 
On Wed, 11 Apr 2018 17:41:50 +0100
Danny Horne via users  wrote:

> Hi all,
> 
> I have a four year old laptop that's running Fedora 27 Workstation.
> If I leave the thing switched off and unplugged after a day it will
> need recharging by varying degrees.
> 
> Have I missed something in the power settings or is my battery on it's
> way out?
> 
> Thanks for looking

if you pop the battery out for a day does the same thing happen?

d

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