TLP Battery Care is a Gnome Shell extension that provides quick controls for battery charging related functionalities. With a indicator on the status bar that displays power and charging status in real time, this widget allows you to set charging thresholds interactively.
Copy the [email protected] directory into ~/.local/share/gnome-shell/extensions, reload Gnome Shell (by restarting or logging out) and run gnome-extensions enable [email protected].