.\" $OpenBSD: acpisbs.4,v 1.1 2017/03/30 16:04:36 jcs Exp $ .\" .\" Copyright (c) 2017 joshua stein .\" .\" Permission to use, copy, modify, and distribute this software for any .\" purpose with or without fee is hereby granted, provided that the above .\" copyright notice and this permission notice appear in all copies. .\" .\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES .\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF .\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR .\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES .\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" .Dd $Mdocdate: March 30 2017 $ .Dt ACPISBS 4 .Os .Sh NAME .Nm acpisbs .Nd ACPI Smart Battery subsystem .Sh SYNOPSIS .Cd "acpisbs* at acpi?" .Sh DESCRIPTION The .Nm driver supports the ACPI Smart Battery subsystem and provides information about the Smart Battery devices contained within it. Battery status is updated every 30 seconds, as well as in response to events from the subsystem. Battery status can be monitored using .Xr sysctl 8 or .Xr sensorsd 8 . .Sh SEE ALSO .Xr acpi 4 , .Xr acpibat 4 , .Xr intro 4 , .Xr sensorsd 8 , .Xr sysctl 8 .Sh HISTORY The .Nm driver first appeared in .Ox 6.1 . .Sh AUTHORS .An -nosplit The .Nm driver was written by .An joshua stein Aq Mt jcs@openbsd.org . .Sh CAVEATS The .Nm driver does not currently support more than one battery.