Powerdown is a script to take the hassle out of configuring to maximize battery-life.
Use your favourite AUR-helper to installAUR, f.e.
# packer -S powerdown
The script can now be run in a terminal:
# powerdown &
To make it run on startup add the following to /etc/rc.local:
The script is located at ... Should you want to disable certain tweaks, you can easily comment them out by prepending '#'