Comment 8 for bug 1234458

Here's mine, for what it's worth (I just pasted the section about the mouse). It's been reporting 55% for 5-6 days now, which seems to confirm what Ohad says:

Device: /org/freedesktop/UPower/devices/mouse_0003o046DoC52Fx0002
  native-path: /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/1-1.1:1.1/0003:046D:C52F.0002
  vendor: Logitech, Inc.
  model: M305
  serial: 87223A2A
  power supply: no
  updated: Wed 23 Oct 2013 01:11:01 PM EDT (48 seconds ago)
  has history: yes
  has statistics: no
  mouse
    present: yes
    rechargeable: yes
    state: discharging
    percentage: 55%