Yes - Disabling Secureboot worked in order to get acpidbg working (killed my touchpad mouse however that is another topic).
Output from both commands here: $ sudo acpidbg -b 'ex \_SB_.PCI0.LPCB.EC0_.BATD' Evaluating \_SB_.PCI0.LPCB.EC0_.BATD Evaluation of \_SB_.PCI0.LPCB.EC0_.BATD returned object 00000000a3ce38e0, external buffer length 18 [Integer] = 0000000000000000 $ sudo acpidbg -b 'ex \_SB_.BAT1._STA' Evaluating \_SB_.BAT1._STA Evaluation of \_SB_.BAT1._STA returned object 00000000cb8c88ff, external buffer length 18 [Integer] = 000000000000000F -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1956177 Title: battery not detected by ACPI To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1956177/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs