Battery life needs calibrating

[QT]

As it says: if my CPU is not blazing, I'm getting better battery life than indicated by the applet - does the system need calibrating?

[Kyle Fazzari (kyrofa)]

Please attach the result of the following command:

$ upower --dump

[QT (quitetall)]

Device: /org/freedesktop/UPower/devices/line_power_ADP0
  native-path: /sys/devices/LNXSYSTM:00/device:00/ACPI0003:00/power_supply/ADP0
  power supply: yes
  updated: Mon Dec 3 11:36:09 2012 (1006 seconds ago)
  has history: no
  has statistics: no
  line-power
    online: no

Device: /org/freedesktop/UPower/devices/battery_BAT0
  native-path: /sys/devices/LNXSYSTM:00/device:00/PNP0C0A:00/power_supply/BAT0
  vendor: SDI
  model: Dell
  serial: 25590
  power supply: yes
  updated: Mon Dec 3 11:52:43 2012 (12 seconds ago)
  has history: yes
  has statistics: yes
  battery
    present: yes
    rechargeable: yes
    state: discharging
    energy: 42.7794 Wh
    energy-empty: 0 Wh
    energy-full: 48.5958 Wh
    energy-full-design: 47.73 Wh
    energy-rate: 10.1898 W
    voltage: 8.021 V
    time to empty: 4.2 hours
    percentage: 88.0311%
    capacity: 100%
    technology: lithium-ion
  History (charge):
    1354495963 88.031 discharging
    1354495933 88.153 discharging
    1354495903 88.275 discharging
    1354495873 88.381 discharging
  History (rate):
    1354495963 10.190 discharging
    1354495933 7.740 discharging
    1354495903 7.252 discharging
    1354495873 7.822 discharging

Daemon:
  daemon-version: 0.9.15
  can-suspend: yes
  can-hibernate yes
  on-battery: yes
  on-low-battery: no
  lid-is-closed: no
  lid-is-present: yes
  is-docked: no

[Kent Baxley (kentb)]

Applet definitely seems to underestimate battery hours left according to what others are seeing:

http://en.community.dell.com/techcenter/os-applications/f/4613/t/19499364.aspx