Turns off GNOME shell animations when not on AC power.
git clone --depth=1 https://github.com/rliang/gnome-shell-extension-disable-animations-on-battery ~/.local/share/gnome-shell/extensions/disable-animations-on-battery@rliang.github.com
GPL3
Code to access AC state based on [https://github.com/nailfarmer/gnome-shell-dim-on-battery-extension].