[Nut-upsuser] Setting Battery Runtime Low

[Arjen de Korte]

Citeren "Poulton, Stuart W.L." <swlp1 op leicester.ac.uk>:

> I've successfully configured NUT to talk to the SNMP card, however  
> it reports a battery.runtime.low of 1 , not much use, how do I  
> change this value, is it defined by the UPS itself, the SNMP card,  
> or NUT ?

This is a configurable value, setting the runtime remaining on battery  
before the low battery warning is raised.

It looks like the driver uses the UPS-MIB::upsConfigLowBattTime OID  
for this. According to IETF 1628, the units of this value is minutes.  
So in order to correctly display this in the units NUT uses (seconds)  
we need to multiply by 60 (similar to the  
UPS-MIB::upsEstimatedMinutesRemaining that is used for battery.runtime).

So I guess what the UPS is trying to tell you, is that the runtime  
remaining is before it will report battery low, is 60 seconds.  
Depending on your UPS you might be able to change this value though  
the 'upsrw' command (see 'man 8 upsrw'). Remember to input this value  
in minutes for the time being, until we have fixed this.

Best regards, Arjen
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