This value specifies the overall condition of all of the
system batteries.
The following conditions are supported:
other(1)
The system does not use system batteries or the battery
condition is unknown.
ok(2)
All System Batteries are operating OK.
degraded(3)
One or more of the System Batteries has degraded. The
degraded battery will continue to function but should be
replaced.
failed(4)
One of more of the System Batteries has failed. The failed
battery is no longer usable. Action should be taken to replace
the battery.