[Nut-upsuser] Shutdown when both (all) UPS on battery / low battery

[Rafał Oleszek]

Hi,
I have data room with single master nut instance which calling scripts 
to shutdown environment. I have two Delta UPS reachable from network. 
Everything works fine but I need to configure nut to shutdown 
environment when both UPS on battery or low battery. Can you advise me 
how to do that (is it possible?). THX for any help.

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