BAT1 is the correct one according to acpi.log in #12.
There are no obvious code error in BIOS, but let's try to see whether
kernel correct reports what BIOS reports.
When AC is connected:
kernel's battery status: $ cat /sys/class/power_supply/BAT0/status
BIOS battery status: sudo acpidbg -b "e _SB.PCI0.LPCB.BAT1._BST"
First number is battery state
• Bit [0] – 1 indicates the battery is discharging.
• Bit [1] – 1 indicates the battery is charging.
Do the same When AC is disconnected as well.
There are also other information that may be helpful:
Battery information
sudo acpidbg -b "e _SB.PCI0.LPCB.BAT1._BIF"
sudo acpidbg -b "e _SB.PCI0.LPCB.BAT1._BIX"
EC ready (battery gets information from EC)
sudo acpidbg -b "e _SB.PCI0.LPCB.ECOK"
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https://bugs.launchpad.net/bugs/1879082
Title:
Kernel reporting 100% battery, always
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