Comment 6 for bug 1240673

Now it's back to 0% on both batteries after just a suspend/resume (it was plugged into power when suspended and when resumed, although it had been unplugged while suspended):

$ upower --dump
Device: /org/freedesktop/UPower/devices/line_power_AC
  native-path: AC
  power supply: yes
  updated: Fri 18 Oct 2013 02:22:27 PM EDT (7675 seconds ago)
  has history: no
  has statistics: no
  line-power
    online: yes

Device: /org/freedesktop/UPower/devices/battery_BAT0
  native-path: BAT0
  vendor: SMP
  model: DELL Y61CV22
  serial: 3840
  power supply: yes
  updated: Fri 18 Oct 2013 04:30:03 PM EDT (19 seconds ago)
  has history: yes
  has statistics: yes
  battery
    present: yes
    rechargeable: yes
    state: fully-charged
    energy: 66.6 Wh
    energy-empty: 0 Wh
    energy-full: 66.6 Wh
    energy-full-design: 66.6 Wh
    energy-rate: 0.0111 W
    voltage: 12.885 V
    percentage: 0%
    capacity: 76.9167%
    technology: lithium-ion
  History (charge):
    1382128199 0.000 unknown
  History (rate):
    1382128199 0.011 fully-charged
    1382128199 0.000 unknown

Device: /org/freedesktop/UPower/devices/battery_BAT2
  native-path: BAT2
  vendor: Samsung SDI
  model: DELL W1GGM26
  serial: 12515
  power supply: yes
  updated: Fri 18 Oct 2013 04:30:03 PM EDT (19 seconds ago)
  has history: yes
  has statistics: yes
  battery
    present: yes
    rechargeable: yes
    state: fully-charged
    energy: 31.08 Wh
    energy-empty: 0 Wh
    energy-full: 31.08 Wh
    energy-full-design: 31.08 Wh
    energy-rate: 0.0111 W
    voltage: 12.404 V
    percentage: 0%
    capacity: 81.2857%
    technology: lithium-ion
  History (charge):
    1382128199 0.000 unknown
  History (rate):
    1382128199 0.011 fully-charged
    1382128199 0.000 unknown

Daemon:
  daemon-version: 0.9.22
  can-suspend: yes
  can-hibernate: no
  on-battery: no
  on-low-battery: no
  lid-is-closed: no
  lid-is-present: yes
  is-docked: no