post your
acpi -ib | cut -c 68-70
mine’s 96%
1 Like
acpi -ib | cut -c 68-70
bash: acpi: command not found
Okay what does it do btw?
PS. your profile pic is nice.
Edit: I installed acpi. My output is 100. New laptop. Reading the manpage, looks like it shows battery health info.
Edit2: @AnotherPenguin Just to get an idea of battery decay speed, may I please ask how old is your laptop battery? And do you use your laptop on battery or on AC? I use on AC source.
93% on a 18 month old Asus ROG Strix 3.
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acpi -ib | cut -c 68-70
79%
mine sais 100% on a two years old Dell Inspiron.
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$ acpi -ib | cut -c 68-70
99%
An almost 4 months old Lenovo Yoga Slim 7 14ARE05. Used intermittently on AC/DC.
My 10 years old laptop, original battery:
$ acpi -ib | grep capacity | awk '{print $NF}'
72%
Frankensteen T60 last IBM Thinkpad produced… 2006
2 Likes
Work laptop, because I’m at work right now (gee, doesn’t my job seem rough?)
$ acpi -ib | cut -c 68-70
94%
After one year of use on AC. I just recently went hardcore battery conserving by limiting charge process to 60%. Would’ve saved some capacity had I set it up like that from the start.
I get 100%, but that’s clearly wrong, because this this old laptop lasts about 10 minutes unless plugged in. It’s an HP ProBook 4540s, with original battery. It’s about 12-13 years old.
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Might want to research an unknown command first, thén decided whether or not to execute it, to be sure you know what will happen 
4 Likes
That’s always good advice, one should never execute commands one finds on the internet and does not understand. However, in this case, on this forum, if it were a malicious or harmful command, I doubt there would be 10 replies in a thread without someone screaming about it.
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acpi -ib is the key here. the rest of the command filters out only the relevant part of the output.
running acpi -ib will give you an summary of the information on the detected battery.
Very true. Consider it more general advice
Looks like withouth the the -b flag you would get the same result.
man acpi
ACPI(1) General Commands Manual ACPI(1)
NAME
acpi - Shows battery status and other ACPI information
SYNOPSIS
acpi [options]
DESCRIPTION
acpi Shows information from the /proc or the /sys filesystem, such as battery status or thermal
information.
OPTIONS
-b | --battery
show battery information
-a | --ac-adapter
show ac adapter information
-t | --thermal
show thermal information
-c | --cooling
show cooling device information
-V | --everything
show every device, overrides above options
-s | --show-empty
show non-operational devices
-i | --details
show additional details if available:
* battery capacity information
* temperature trip points
-f | --fahrenheit
use fahrenheit as the temperature unit instead of default celsius
-k | --kelvin
use kelvin as the temperature unit instead of default celsius
-p | --proc
use the old /proc interface, default is the new /sys one
-d | --directory <dir>
path to ACPI info (either /proc/acpi or /sys/class)
-h | --help
display help and exit
-v | --version
output version information and exit
AUTHOR
Manual page acpi(1) line 1/62 82% (press h for help or q to quit)
Read The Fine Manual !
PRETTY sure the F doesn’t stand for fine, my army training never said fine… 
3 Likes
7yr old laptop (although new to me, plus relatively new battery)
I guess you need to install acpi first.
Edit:
[ricklinux@eos-kde ~]$ acpi -ib | grep capacity | awk '{print $NF}'
100%
In a FFF, the F could stand for Fine, Fabulous, Fantastic, Formidable …
ps.
FFF
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