You can install the current development release of xfce4-power-manager by using the official Xubuntu staging PPA:
https://launchpad.net/~xubuntu-dev/+archive/ubuntu/xubuntu-staging
You can install the current development release of xfce4-power-manager by using the official Xubuntu staging PPA:
https:/ /launchpad. net/~xubuntu- dev/+archive/ ubuntu/ xubuntu- staging