upower does not notice that I plugged in a different battery

[Antti Haapala]

I have a Lenovo T450 with hotswappable batteries, and upower and indicator-power are a complete mess on this model. Just 30 minutes ago I got a new larger capacity secondary battery, plugged it in, and upower never seems to notice that it was changed!

% cat /sys/class/power_supply/BAT1/energy_full_design
71280000
% cat /sys/class/power_supply/BAT1/energy_full
74800000
% cat /sys/class/power_supply/BAT1/energy_now
42060000

vs

Device: /org/freedesktop/UPower/devices/line_power_AC
  native-path: AC
  power supply: yes
  updated: Mon 11 Jan 2016 10:47:34 AM EET (1152 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: LGC
  model: 45N1113
  serial: 1210
  power supply: yes
  updated: Mon 11 Jan 2016 11:06:28 AM EET (18 seconds ago)
  has history: yes
  has statistics: yes
  battery
    present: yes
    rechargeable: yes
    state: fully-charged
    warning-level: none
    energy: 23.22 Wh
    energy-empty: 0 Wh
    energy-full: 23.42 Wh
    energy-full-design: 23.48 Wh
    energy-rate: 4.337 W
    voltage: 12.76 V
    percentage: 99%
    capacity: 99.7445%
    technology: lithium-ion
    icon-name: 'battery-full-charged-symbolic'

Device: /org/freedesktop/UPower/devices/battery_BAT1
  native-path: BAT1
  vendor: LGC
  model: 45N1127
  serial: 10284
  power supply: yes
  updated: Mon 11 Jan 2016 11:05:32 AM EET (74 seconds ago)
  has history: yes
  has statistics: yes
  battery
    present: yes
    rechargeable: yes
    state: charging
    warning-level: none
    energy: 41.69 Wh
    energy-empty: 0 Wh
    energy-full: 41.69 Wh
    energy-full-design: 23.48 Wh
    energy-rate: 21.879 W
    voltage: 11.632 V
    percentage: 55%
    capacity: 100%
    technology: lithium-ion
    icon-name: 'battery-good-charging-symbolic'
  History (charge):
    1452503132 55.000 charging
  History (rate):
    1452503132 21.879 charging

Device: /org/freedesktop/UPower/devices/DisplayDevice
  power supply: yes
  updated: Mon 11 Jan 2016 11:05:32 AM EET (74 seconds ago)
  has history: no
  has statistics: no
  battery
    present: yes
    state: charging
    warning-level: none
    energy: 64.91 Wh
    energy-full: 65.11 Wh
    energy-rate: 26.216 W
    time to full: 27 seconds
    percentage: 99.6928%
    icon-name: 'battery-full-charging-symbolic'

Daemon:
  daemon-version: 0.99.3
  on-battery: no
  lid-is-closed: no
  lid-is-present: yes
  critical-action: PowerOff

Wouldn't it be equally consuming to read the `energy_full` and `energy_full_design` every now and then, and especially if a battery event occurs?! Now even if I unplug, replug the adapter, upower still does not realize that I have a completely different battery plugged in!