I have the same problem as the original submitter. The patch appears to correct the problem for the logitech keyboard but not the mouse. I have a MK700 keyboard and M705 mouse both of which used to show up via upower -d.
$ upower -d Device: /org/freedesktop/UPower/devices/keyboard_0003o046Do2008x0005 native-path: /sys/devices/pci0000:00/0000:00:14.0/usb1/1-10/1-10.3/1-10.3:1.2/0003:046D:C52B.0003/0003:046D:2008.0005 vendor: Logitech, Inc. model: MK700 serial: 9086B70C power supply: no updated: Fri 15 May 2015 11:43:06 AM CDT (19 seconds ago) has history: yes has statistics: no keyboard present: yes rechargeable: yes state: discharging warning-level: none percentage: 55% icon-name: 'battery-good-symbolic' History (charge): 1431708186 0.000 unknown History (rate): 1431708186 0.000 unknown Device: /org/freedesktop/UPower/devices/DisplayDevice power supply: no updated: Fri 15 May 2015 11:43:06 AM CDT (19 seconds ago) has history: no has statistics: no unknown warning-level: none icon-name: '' Daemon: daemon-version: 0.99.2 on-battery: no lid-is-closed: no lid-is-present: no critical-action: HybridSleep -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to upower in Ubuntu. https://bugs.launchpad.net/bugs/1448834 Title: mouse battery not shown after upgrade Status in gnome-power-manager package in Ubuntu: Confirmed Status in upower package in Ubuntu: Confirmed Bug description: In Xubuntu 14.04 and 14.10 the power manager dropdown menu showed the battery level in my wireless logitech mouse. However after upgrading to 15.04 the mouse battery status is not shown. ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: xfce4-power-manager 1.4.3-0ubuntu1 ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3 Uname: Linux 3.19.0-15-generic x86_64 ApportVersion: 2.17.2-0ubuntu1 Architecture: amd64 CurrentDesktop: XFCE Date: Sun Apr 26 19:49:19 2015 ProcEnviron: LANGUAGE=en_US PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: xfce4-power-manager UpgradeStatus: Upgraded to vivid on 2015-04-23 (3 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-power-manager/+bug/1448834/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp