Battery Buddy

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Fully discharging a battery and charging it back to full charge again wears it out sooner than you might expect. Battery Buddy can help you increase the battery lifetime by automatically pausing and resuming charging. You can set alerts for low and full enough charge levels, too.

Important: Battery Buddy 3.6-1 and later releases require SailfishOS 3.3. Legacy builds for SailfishOS 2.2.0.29 and later can be downloaded manually from GitHub releases page.

New! Experimental aarch64 build is now available! Test with care...

The application comes with a service component that takes care of charger control and alerts. This means that the application doesn't have to be opened for alerts and limits to work - which is against Jolla Store policy, and hence worth mentioning here. You can control the service from the application (start/stop and enable/disable on boot).

You can better see what's going on by running the application or daemon with --verbose or --debug options. Help is available with --help option.

Please note that the charger control mechanism may not work for every device out there. So far it has been successfully tested with the following devices:

  • F(x)tec Pro¹
  • Jolla Phone
  • Sony Xperia 10
  • Sony Xperia X
  • Sony Xperia X Compact
  • Sony Xperia XA2
  • Sony Xperia XA2 Ultra
  • Sony Xperia Z3 Compact Tablet

Please let me know if it works for your device, or if it doesn't work!

Bug reports and translations are most welcome!

If you like my work and would like to support me, you can now buy me a coffee.

Source code can be found in GitHub.

Screenshots: 
Application versions: 
AttachmentSizeDate
File harbour-batterybuddy-3.5-2.armv7hl.rpm108.94 KB19/10/2020 - 09:32
File harbour-batterybuddy-3.5-2.i486.rpm115.23 KB19/10/2020 - 09:32
File harbour-batterybuddy-3.6-2.armv7hl.rpm109.56 KB16/11/2020 - 00:46
File harbour-batterybuddy-3.6-2.i486.rpm115.79 KB16/11/2020 - 00:46
File harbour-batterybuddy-3.6-3.aarch64.rpm116.3 KB17/11/2020 - 18:17
File harbour-batterybuddy-3.6-3.armv7hl.rpm114.71 KB17/11/2020 - 18:17
File harbour-batterybuddy-3.6-3.i486.rpm120.87 KB17/11/2020 - 18:17
Changelog: 

3.6-3

  • Experimental aarch64 build available against SailfishOS 3.4.0.24
  • Add Polish translation (thanks, atlochowski)
  • Updated Chinese translation (thanks, dashinfantry)
  • Updated Finnish translation

3.6-2

  • Add German translation (thanks, dryo)

3.6-1

  • Compiled for SailfishOS >= 3.3
  • Show charging/discharging current
  • Speed up service control buttons

3.5-2

  • Update Chinese translation (thanks, dashinfantry)
  • Update French translation (thanks, esang-dev)

3.5-1

  • Fix service control buttons on SFOS 3.4
  • Drop custom slider element

3.4-1

  • Check service status when starting app
  • Add controls to enable/disable service at boot
  • Trigger notifications when charger is connected/disconnected
  • Fix notifications and sounds (broken since 3.2)
  • Reset notification ID after closing it
  • Fix cover page text wrap issue
  • Minor repo/code cleanup

3.3-1

  • Start user service at boot
  • Remove all old versions of the service
  • Fix start and stop service controls
  • Update Swedish translation (thanks, eson57)

3.2-1

  • Run daemon without root privileges
  • Add start and stop daemon controls

3.1-1

  • Update Chinese translation (thanks, dashinfantry)
  • Don't alert on "100% idle" (e.g. emulator)

3.0-1

  • Reimplemented systemd service controls charging and notifications
  • GUI doesn't have to be open for proper operation
  • Added Ko-Fi donation link
  • Translation fixes
  • Identical with 2.99-1 / v3.0 beta 1

Full changelog in GitHub.

Comments

direc85's picture

Does rebooting the device help? Well, technically, restarting the daemon is what I'm after:

`$ devel-su systemctl restart harbour-batterybuddy.service`

nephros's picture

Removed the file, restarted the app, turned off notifications and increased the interval but still notifications every minute.

nephros's picture

Same here.

[General]
highAlert=@ByteArray(85)
highLimit=@ByteArray(85)
interval=@ByteArray(600)
limitEnabled=@ByteArray(0)
lowAlert=@ByteArray(10)
lowLimit=@ByteArray(49)
notificationHighText=Please disconnect the charger.
notificationLowText=Please connect the charger.
notificationTitle=Battery charge %1%
notificationsEnabled=@ByteArray(0)
PawelSpoon's picture

Hi, since the last update i get notifications on low battery, buti did not choose the option. So should not receive any notification interval is also ignored. Do get a message every minute.

direc85's picture

Could you post contents of `~/.config/harbour-batterybuddy/harbour-batterybuddy.conf`?

oxygenh's picture

3.1.1 - It's ok on Sony XPeria X Compact (SailfishX 3.3.16).
direc85, thank you very much!
Feature request: integfrate conrols at system seеtings ;)

direc85's picture

Great! Adding it to the list!

Controlling battery settings from within Settings app actually makes a lot of sense... Let's see if I'll make it happen :)

oxygenh's picture

Thank you very much. For example you can see as it made at Battery notifier 2 by Schturman ( https://openrepos.net/content/schturman/battery-notifier-2 )

michl's picture

Also workson F(x)tec Pro¹!

Nice Job! Thank you!

It uses /sys/class/power_supply/battery/input_suspend

direc85's picture

Great! Thanks for the info! I'll add it to the description!

dumol's picture

Charge control is really cool, thanks! Please don't forget about adding a donation link. ;-]

UiPo1goo's picture

Very nice idea to use github. I opened two issues: Charging won't suspend after upper limit reaches.
Notification interval should be splitted.

direc85's picture

Thanks, noted!

direc85's picture

Hello Sailors!

I rewrote the systemd service, which was a huge task! It's in the famous state "works for me", but I decided to first release it only on GitHub to avoid accidental installation. Please proceed with care and let me know how it works for you and your specific device! Thanks!

Edit: The front page still says that it is required to be kept opened for working properly, but that's no longer true. I'll fix it in the next beta release :)

objectifnul's picture

Seems that some notification should be amended: "Please disconnect the charger" would make more sense than "Please connect the charger" when the upper limit is reached.

babba22's picture

Hi direc, wonderful app! There's only one thing I would like to ask you: at the moment, when the battery reaches the pause charging limit, not only the battery isn't charged anymore (excellent!), but the phone use the battery power. Is it possible to make it use the AC power instead? This way the battery would be preserved even more

direc85's picture

I looked into it while I implemented the charger mechanism, but it looks like it's not possible with the current, uh, adaptation layer? Binary driver blobs? I don't know, but there doesn't seem to be any control over that.

The best you can get is to set start and stop percentages close to one another, say 80% and 79% so that the charge stays as constant as possible.

babba22's picture

Ok, I understand. Thank you very much for the app!

zipotron's picture

Dude, amazing app! Thanks a lot for that!!! Just a consideration, if you could deamonize the app is going a be just perfect !

direc85's picture

Thanks! I'll implement the service at some point for sure!

oxygenh's picture

I have issue: I'm not receiving notification, when charge below low limit or higher upper limit.
( http://prntscr.com/rn0vff )
ps: but charging control work good.
My settings: Sailfish X 3.2.1.20 (Sony xperia x compact)
console log:

[nemo@Sailfish ~]$ harbour-batterybuddy
[I] unknown:0 - Starting Battery Buddy...
[I] unknown:0 - Loaded lowAlert 39
[I] unknown:0 - Loaded highAlert 85
[I] unknown:0 - Loaded interval 300
[I] unknown:0 - Loaded limitEnabled 1
[I] unknown:0 - Loaded notificationsEnabled 1
[I] unknown:0 - Loaded lowLimit 76
[I] unknown:0 - Loaded highLimit 85
[I] unknown:0 - Loaded limitEnabled 1
[I] unknown:0 - Reading capacity from "/sys/class/power_supply/ba
ttery/capacity"
[I] unknown:0 - Reading charge state from "/sys/class/power_suppl
y/battery/status"
[I] unknown:0 - Reading charger status from "/sys/class/power_sup
ply/usb/present"
[I] unknown:0 - Controlling charging via "/sys/class/power_supply
/battery/charging_enabled"
[W] unknown:0 - Theme dir "/usr/share/themes/jolla/meegotouch/z1.
25/" does not exist
[I] unknown:0 - Launching GUI...
[W] unknown:518 - file:///usr/lib/qt5/qml/Sailfish/Silica/private
/PulleyMenuBase.qml:518:29: Unable to assign [undefined] to float
[W] unknown:518 - file:///usr/lib/qt5/qml/Sailfish/Silica/private
/PulleyMenuBase.qml:518:29: Unable to assign [undefined] to float

direc85's picture

Thanks for the --debug output below (you can remove it now so that there's less clutter).

I tested it, too, and it looks like I managed to break the notifications at some point. I'll fix it and release a new version soon (hopefully today).

EDIT: I deleted the debug output comment.

oxygenh's picture

Thank you very much! My issue absolutely fixed with last release. It's cool! Superbe!

direc85's picture

You're welcome!

direc85's picture

Try to run the application using "harbour-batterybuddy --debug". Its actually not documented yes. Whoops. And I still have to add debug stuff.

oxygenh's picture

Thank you very much for vry usefull app. Do you have plan built in system setting (like battery notifier), and make daemon?

direc85's picture

Thanks! Most likely I will do that in a month or so; I suddenly managed to rid myself of all free time for a month '-.-

oxygenh's picture

It will be cool! I will wait. Thank you.
Where do i send little donat? ;)

direc85's picture

TBH I'm working on it. Thank you for asking :)

PawelSpoon's picture

Great with Situations ! Starts on cable plugin

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