I wish most sensors were mains powered but we know that using batteries makes placing these gadgets in places where power is not readily available. As much as I try to buy sensors that can be powered by USB, I still have a house full of battery juice sucking devices. However, not all devices are equal. Here is my experience* on battery longevity:
Ecolink contact sensor 3+ years
Ecolink Z-Wave Plus Motion sensor 3+ years
Fibaro Multi Z-Wave Plus 2+ years
NYCE ceiling 2+ years
Aeon Labs contact sensor 1+
Iris contact 1+
Battery juice suckers (less than a year on one set of batteries):
Iris motion v2 (low traffic) - 6 months
Aeon Labs Multi (gen 5) low traffic- 6 momths
Kwikset Lock Z-Wave - 4 months
Iris motion v2 (high traffic) - 3 months
Aeon Labs Multi high traffic (gen 5) 2 months
Keen Vents average- 3 months
- I am only using official DTH.
What’s your experience?