ACPIACAD(4) NetBSD Kernel Interfaces Manual ACPIACAD(4)
acpiacad -- ACPI AC Adapter
acpiacad* at acpi?
The acpiacad driver supports ACPI AC Adapters. The status (connected or disconnected) can be monitored by the envsys(4) API or the envstat(8) command. Actions against AC adapter online/offline events can be configured using the powerd(8) daemon.
acpi(4), envsys(4), envstat(8), powerd(8)
The acpiacad driver appeared in NetBSD 1.6. NetBSD 8.1 October 11, 2007 NetBSD 8.1
You can also request any man page by name and (optionally) by section: