For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Mister_Magister:branches:Base:System/openSUSE_Tumbleweed/home:Mister_Magister:branches:Base:System.repo
zypper refresh
zypper install upower
For openSUSE Factory run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Mister_Magister:branches:Base:System/openSUSE_Factory/home:Mister_Magister:branches:Base:System.repo
zypper refresh
zypper install upower
For 16.0 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Mister_Magister:branches:Base:System/16.0/home:Mister_Magister:branches:Base:System.repo
zypper refresh
zypper install upower