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ACPIBAT(4) Device Drivers Manual ACPIBAT(4)

NAME

acpibatACPI control method battery

SYNOPSIS

acpibat* at acpi?

DESCRIPTION

The acpibat driver supports the ACPI Control Method Battery interface between the battery and the host. Information about the battery, such as capacity, recharge rate, voltage, and serial number, is available through this driver. Battery status is updated through an event triggered when a battery changes state (such as starting to charge) and, as a failsafe if the system does not support passing such events, every 10 seconds. Battery status can be monitored using sysctl(8) or sensorsd(8).

SEE ALSO

acpi(4), acpisbs(4), intro(4), sensorsd(8), sysctl(8)

HISTORY

The acpibat driver first appeared in OpenBSD 3.8.

AUTHORS

The acpibat driver was written by Marco Peereboom <marco@openbsd.org>.

BUGS

Some systems do not propagate battery insertion up to the driver.
March 30, 2017 OpenBSD-current