If I unplug the cable:

me@me-Aspire-S7-391:~$ acpi -b
Battery 0: Full, 100%, rate information unavailable

after I unplugged the cable
me@me-Aspire-S7-391:~$ acpi -b
Battery 0: Discharging, 100%, 03:47:59 remaining

while acpitool reads
me@me-Aspire-S7-391:~$ acpitool -a -b
  Battery #1     : Discharging, 100.0%, 00:00:00
  AC adapter     : off-line

if I plug it back in (apci_listen has the same readings as reported)
me@me-Aspire-S7-391:~$ acpi -b
Battery 0: Charging, 94%, 00:20:16 until charged

me@me-Aspire-S7-391:~$ acpitool -a -b
  Battery #1     : Charging, 95.08%, 00:20:00
  AC adapter     : online

but apci_listen still saw reversed, I unplug it says plugged, I plug
back in it says unplugged and stays like this

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https://bugs.launchpad.net/bugs/1225617

Title:
  Acpi does not recognize a power cable unplug leading to weird battery
  and power saving issues

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