** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1798070

Title:
  HP laptops - Battery capacity always reported as 100%

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  ###HP laptop models affected so far:
  HP EliteBook 840G1/G2
  HP EliteBook 850G1/G2
  HP ProBook 650G1
  HP EliteBook 8460p
  HP EliteBook 8470p
  HP 650 Notebook PC
  HP ZBook 15 G1/G2

  Battery capacity always reported as 100% by upower command in Ubuntu 16.04.5 
LTS - 4.15.0-36-generic (tested with older kernels as well).
  Upower info:
    Installed: 0.99.4-2ubuntu0.3
    Candidate: 0.99.4-2ubuntu0.3
    Version table:
   *** 0.99.4-2ubuntu0.3 500
          500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 
Packages
          100 /var/lib/dpkg/status
       0.99.4-2 500
          500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages

  
  HP Support Assistant utility detects the correct capacity in Windows.

  ###Information collected from one of the laptops:
  HP EliteBook 8460p - battery CC06XL - 4910mAh

  ################################################################
  ### upower -d

  Device: /org/freedesktop/UPower/devices/line_power_AC
    native-path: AC
    power supply: yes
    updated: Tue 02 Oct 2018 01:39:35 PM CEST (21 seconds ago)
    has history: no
    has statistics: no
    line-power
      warning-level: none
      online: yes
      icon-name: 'ac-adapter-symbolic'

  Device: /org/freedesktop/UPower/devices/battery_BAT0
    native-path: BAT0
    vendor: Hewlett-Packard
    model: Primary
    serial: 00824 2012/06/09
    power supply: yes
    updated: Tue 02 Oct 2018 01:39:39 PM CEST (17 seconds ago)
    has history: yes
    has statistics: yes
    battery
      present: yes
      rechargeable: yes
      state: fully-charged
      warning-level: none
      energy: 48.9348 Wh
      energy-empty: 0 Wh
      energy-full: 49.2156 Wh
      energy-full-design: 49.2156 Wh
      energy-rate: 0 W
      voltage: 12.475 V
      percentage: 99%
      capacity: 100%
      technology: lithium-ion
      icon-name: 'battery-full-charged-symbolic'
    History (charge):
      1538480376 99.000 fully-charged
      1538480375 0.000 unknown
    History (rate):
      1538480375 0.000 unknown

  Device: /org/freedesktop/UPower/devices/DisplayDevice
    power supply: yes
    updated: Tue 02 Oct 2018 01:39:35 PM CEST (21 seconds ago)
    has history: no
    has statistics: no
    battery
      present: yes
      state: fully-charged
      warning-level: none
      energy: 48.9348 Wh
      energy-full: 49.2156 Wh
      energy-rate: 0 W
      percentage: 99%
      icon-name: 'battery-full-charged-symbolic'

  Daemon:
    daemon-version: 0.99.4
    on-battery: no
    lid-is-closed: no
    lid-is-present: yes
    critical-action: PowerOff

  ################################################################
  ### acpi -V

  Battery 0: Unknown, 99%
  Battery 0: design capacity 4557 mAh, last full capacity 4557 mAh = 100%
  Adapter 0: on-line
  Thermal 0: ok, 0.0 degrees C
  Thermal 0: trip point 0 switches to mode critical at temperature 128.0 
degrees C
  Thermal 1: ok, 43.0 degrees C
  Thermal 1: trip point 0 switches to mode critical at temperature 128.0 
degrees C
  Thermal 1: trip point 1 switches to mode hot at temperature 99.0 degrees C
  Thermal 2: ok, 42.0 degrees C
  Thermal 2: trip point 0 switches to mode critical at temperature 128.0 
degrees C
  Thermal 3: ok, 29.0 degrees C
  Thermal 3: trip point 0 switches to mode critical at temperature 128.0 
degrees C
  Thermal 3: trip point 1 switches to mode passive at temperature 55.0 degrees C
  Thermal 4: ok, 45.0 degrees C
  Thermal 4: trip point 0 switches to mode critical at temperature 128.0 
degrees C
  Thermal 4: trip point 1 switches to mode passive at temperature 105.0 degrees 
C
  Thermal 5: ok, 41.0 degrees C
  Thermal 5: trip point 0 switches to mode critical at temperature 128.0 
degrees C
  Cooling 0: Processor 0 of 10
  Cooling 1: Processor 0 of 10
  Cooling 2: LCD 0 of 20
  Cooling 3: x86_pkg_temp no state information available
  Cooling 4: Processor 0 of 10
  Cooling 5: Processor 0 of 10
  Cooling 6: intel_powerclamp no state information available

  ################################################################
  ### cat /sys/class/power_supply/BAT0/uevent

  POWER_SUPPLY_NAME=BAT0
  POWER_SUPPLY_STATUS=Unknown
  POWER_SUPPLY_PRESENT=1
  POWER_SUPPLY_TECHNOLOGY=Li-ion
  POWER_SUPPLY_CYCLE_COUNT=0
  POWER_SUPPLY_VOLTAGE_MIN_DESIGN=10800000
  POWER_SUPPLY_VOLTAGE_NOW=12475000
  POWER_SUPPLY_CURRENT_NOW=0
  POWER_SUPPLY_CHARGE_FULL_DESIGN=4557000
  POWER_SUPPLY_CHARGE_FULL=4557000
  POWER_SUPPLY_CHARGE_NOW=4531000
  POWER_SUPPLY_CAPACITY=99
  POWER_SUPPLY_CAPACITY_LEVEL=Normal
  POWER_SUPPLY_MODEL_NAME=Primary
  POWER_SUPPLY_MANUFACTURER=Hewlett-Packard
  POWER_SUPPLY_SERIAL_NUMBER=00824 2012/06/09

  Has anyone experienced such a problem?
  Any ideas?

  Thank you very much!

  Best regards,
  Svetoslav

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