Insame 500wh capacity reported by upower, obscure real discharge time

Which Linux distro are you using?

Gentoo

Which release version?
(if rolling release without a release version, skip this question)

[7] default/linux/amd64/23.0/desktop/plasma (stable) *

(If rolling release, last date updated?)

Timestamp of repository gentoo: Mon, 25 May 2026 12:15:00 +0000

Which kernel are you using?

Linux Icarus 7.0.10-gentoo-Zoe #1 SMP PREEMPT_DYNAMIC Mon May 25 14:55:41 CEST 2026 x86_64 11th Gen Intel(R) Core™ i7-1185G7 @ 3.00GHz GenuineIntel GNU/Linux

Which BIOS version are you using?

# framework_tool --info 
Summary
  Is Framework: true
  Platform:     IntelGen11
BIOS Information
  Vendor:	INSYDE Corp.
  Version:	03.20
  Release Date: 06/03/2024
System Information
  Version:	Some(MassProduction) (AC)
  Manufacturer: Framework
  Product Name: Laptop
  Wake-Up-Type: Power_Switch
  SKU Number:   FRANBMCP0C
  Serial Number:FRANBMCPAC146700E2
  Family:	*
BaseBoard Information
  Version:	Some(MassProduction) (AC)
  Manufacturer: Framework
  Product:	FRANBMCP0C
  Serial Number:FRANBMCPAC146700E2
System Chassis Information
  Type:         Notebook

Which Framework Laptop 13 model are you using? (AMD Ryzen™ AI 300 Series, AMD Ryzen™ 7040 Series, Intel® Core™ Ultra Series 1, 13th Gen Intel® Core™ , 12th Gen Intel® Core™, 11th Gen Intel® Core™)

Upower report battery capacity of 500wh, if true great, if not I would like to know the actual discharge time.

Icarus / # upower --dump
Device: /org/freedesktop/UPower/devices/line_power_ACAD
  native-path:          ACAD
  power supply:         yes
  updated:              Wed 27 May 2026 12:10:58 CEST (794 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_BAT1
  native-path:          BAT1
  vendor:               NVT
  model:                Framewo
  serial:               0016
  power supply:         yes
  updated:              Wed 27 May 2026 12:24:08 CEST (4 seconds ago)
  has history:          yes
  has statistics:	yes
  battery
    present:             yes
    rechargeable:        yes
    state:               charging
    warning-level:	 none
    energy:              229.768 Wh
    energy-empty:        0 Wh
    energy-full:         478.786 Wh
    energy-full-design:  550.088 Wh
    energy-rate:         37.9302 W
    voltage:             16.674 V
    charge-cycles:	 177
    time to full:        6.6 hours
    percentage:          48%
    capacity:            87.0381%
    technology:          lithium-ion
    icon-name:          'battery-good-charging-symbolic'
  History (charge):
    1779877432  48.000  charging
    1779877385  47.000  charging
    1779877339  46.000  charging
  History (rate):
    1779877432  37.930  charging
    1779877402  37.976  charging
    1779877385  37.946  charging
    1779877355  37.869  charging
    1779877339  37.976  charging

Device: /org/freedesktop/UPower/devices/DisplayDevice
  power supply:         yes
  updated:              Wed 27 May 2026 12:24:08 CEST (4 seconds ago)
  has history:          no
  has statistics:	no
  battery
    present:             yes
    state:               charging
    warning-level:	 none
    energy:              229.768 Wh
    energy-full:         478.786 Wh
    energy-rate:         37.9302 W
    charge-cycles:	 N/A
    time to full:        6.6 hours
    percentage:          48%
    icon-name:          'battery-good-charging-symbolic'

Daemon:
  daemon-version:  1.90.9
  on-battery:	   no
  lid-is-closed:   no
  lid-is-present:  yes
  critical-action: HybridSleep