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Smart Home Forum by FIBARO Team
Decided to go the UBS route for 2 door contact sensors and a temperature sensor as it's much cheaper this way but 1 problem I see in the future is that if I want to use the door contact sensors in my alarm and I have a powercut (everything else is either battery or on a battery backup)
What I'm wondering is if it's possible to run the UBS on battery?
I would think maximum usage would be 3-4 hours at any 1 time worse case scenario. If I run a 12v power supply could I use a 12v relay and just switch over to a 9v battery?
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