The niblest solution of a battery life extender for OS X
Just because nowadays Macbooks have non-removable battery.
A short bash script is copied in /usr/local/bin and it is executed every 8 minutes by the built-in OS X utility Launchd (an Apple equivalent of Linux crontab).
It asks the operating system for the battery level. If it is >80% while charging or <40% while not in charnge, it sends a notification. Those battery levels were chosen after a long search on how lithium battery works and how Apple implemented them in MacBooks.
That's why it's the nimblest battery life extender utility: it uses what's OS X already has!
Although the long search I've done, this utility comes with ABSOLUTE NO WARRANTY. USE IT AT YOUR OWN RISK.
...no warranty so? What's your experience? Do you use it? What do you think?
Yes, I use it daily. It's always running on my Macbook since 1 year. I did it for myself and I think it's good.
OS X 10.8 or above (due the need of notification center!).
Tested on Mavericks and Yosemite.
Open Terminal and type:
curl http://github.com/pirafrank/battery_life_extender/raw/master/install.sh | bash
You may need to reboot to fully apply changes (YMMV).
Installation notes
Root privileges are needed to install the script and Launchd file under system folders. But don't worry, the script will be executed as regular user as it's copied to /Library/LaunchAgents. Check the launchd.info website for more details.
Open Terminal and type:
curl http://github.com/pirafrank/battery_life_extender/raw/master/uninstall.sh | bash
Notes
The script simply unloads the script and delete the two copied files.
- .pkg installer (needed?)
- ON/OFF toggle option
- User's customization: Battery ranges (...maybe)
The software in this repository are released under the GNU GPLv3 License by Francesco Pira (dev[at]fpira[dot]com, fpira.com). You can read the terms of the license here.
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