Copyright (c) 2025 Nathaial Sloss <nathanialsloss (at] yahoo.com.au>
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.Dd March 28, 2025 .Dt PBBAT 4 .Os .Sh NAME .Nm pbbat .Nd PowerBook 1xx Battery and AC adaptor .Sh SYNOPSIS .Cd "pbbat* at aed?" .Sh DESCRIPTION The .Nm driver supports .Tn PowerBook 1xx batteries and AC adaptors.
p The battery and adaptor status are made available through the .Xr envsys 4 .Tn API . The battery information can be displayed also with the .Xr envstat 8 command: d -literal -offset 2n $ envstat Current CritMax WarnMax WarnMin CritMin Unit [AC Adaptor] connected: TRUE [pbbat0] present: TRUE design voltage: 6.000 V voltage: 7.267 V design cap: 60.000 Wh last full cap: N/A charge: 47.910 3.674% 2.799% Wh (47.91%) charge rate: N/A discharge rate: 5.641 W charging: TRUE charge state: NORMAL .Ed .Sh EVENTS The .Nm driver is able to send events to .Xr powerd 8 daemon when a capacity state has been changed. The new state will be reported as the .Em fourth argument to the
a /etc/powerd/scripts/sensor_battery script. If a custom capacity limit was set via .Xr envstat 8 , the .Nm driver will report a .Em user-capacity event to the same script when current capacity limit has been reached. AC Adaptor events are passed to the
a /etc/powerd/scripts/acadaptor script as pressed and released events when power is connected or disconnected respectively. .Sh SEE ALSO .Xr adb 4 , .Xr envsys 4 , .Xr envstat 8 , .Xr powerd 8 .Sh AUTHORS .An Nathanial Sloss .Sh HISTORY The .Nm driver appeared in .Nx 11 . .Sh BUGS This driver currently only supports the .Tn PowerBook 100 series batteries excluding the 150 and 190 computers.
p The design capacity is an approximation of charge based on a new battery.
p The charge and discharge rates are approximations between successive reads of the battery capacity and should not be relied upon for accurate running time calculations.
Indexes created Sat Sep 20 22:09:52 GMT 2025