Any idea what the cause of this might be with Qubes?
Power barrel jack is physically plugged in, but yet, status file reports Discharging and charge_now continues to increase:
$ date && cat /sys/class/power_supply/BAT0/status && cat /sys/class/power_supply/BAT0/charge_now
Thu Jun 24 12:37:27 MDT 2021
Discharging
2381000
$
$ date && cat /sys/class/power_supply/BAT0/status && cat /sys/class/power_supply/BAT0/charge_now
Thu Jun 24 12:38:11 MDT 2021
Discharging
2402000
$

More info:
$ date && upower --dump
Thu Jun 24 13:03:45 MDT 2021
Device: /org/freedesktop/UPower/devices/line_power_AC
native-path: AC
power supply: yes
updated: Thu 24 Jun 2021 12:20:00 PM MDT (2625 seconds ago)
has history: no
has statistics: no
line-power
warning-level: none
online: no
icon-name: 'ac-adapter-symbolic'
Device: /org/freedesktop/UPower/devices/battery_BAT0
native-path: BAT0
vendor: Notebook
model: BAT
serial: 0001
power supply: yes
updated: Thu 24 Jun 2021 01:02:21 PM MDT (84 seconds ago)
has history: yes
has statistics: yes
battery
present: yes
rechargeable: yes
state: discharging
warning-level: none
energy: 18.63 Wh
energy-empty: 0 Wh
energy-full: 49.008 Wh
energy-full-design: 52.8 Wh
energy-rate: 10.488 W
voltage: 7.797 V
time to empty: 1.8 hours
percentage: 37%
capacity: 92.8182%
technology: lithium-ion
icon-name: 'battery-good-symbolic'
History (charge):
1624561341 37.000 discharging
History (rate):
1624561341 10.488 discharging
Device: /org/freedesktop/UPower/devices/DisplayDevice
power supply: yes
updated: Thu 24 Jun 2021 01:02:21 PM MDT (84 seconds ago)
has history: no
has statistics: no
battery
present: yes
state: discharging
warning-level: none
energy: 18.63 Wh
energy-full: 49.008 Wh
energy-rate: 10.488 W
time to empty: 1.8 hours
percentage: 37%
icon-name: 'battery-good-symbolic'
Daemon:
daemon-version: 0.99.6
on-battery: yes
lid-is-closed: no
lid-is-present: yes
critical-action: PowerOff
$
$ date && upower --dump
Thu Jun 24 13:07:41 MDT 2021
Device: /org/freedesktop/UPower/devices/line_power_AC
native-path: AC
power supply: yes
updated: Thu 24 Jun 2021 12:20:00 PM MDT (2861 seconds ago)
has history: no
has statistics: no
line-power
warning-level: none
online: no
icon-name: 'ac-adapter-symbolic'
Device: /org/freedesktop/UPower/devices/battery_BAT0
native-path: BAT0
vendor: Notebook
model: BAT
serial: 0001
power supply: yes
updated: Thu 24 Jun 2021 01:06:21 PM MDT (80 seconds ago)
has history: yes
has statistics: yes
battery
present: yes
rechargeable: yes
state: discharging
warning-level: none
energy: 19.584 Wh
energy-empty: 0 Wh
energy-full: 49.008 Wh
energy-full-design: 52.8 Wh
energy-rate: 10.488 W
voltage: 7.81 V
time to empty: 1.9 hours
percentage: 39%
capacity: 92.8182%
technology: lithium-ion
icon-name: 'battery-good-symbolic'
History (charge):
1624561581 39.000 discharging
History (rate):
1624561581 10.488 discharging
Device: /org/freedesktop/UPower/devices/DisplayDevice
power supply: yes
updated: Thu 24 Jun 2021 01:06:21 PM MDT (80 seconds ago)
has history: no
has statistics: no
battery
present: yes
state: discharging
warning-level: none
energy: 19.584 Wh
energy-full: 49.008 Wh
energy-rate: 10.488 W
time to empty: 1.9 hours
percentage: 39%
icon-name: 'battery-good-symbolic'
Daemon:
daemon-version: 0.99.6
on-battery: yes
lid-is-closed: no
lid-is-present: yes
critical-action: PowerOff
$