Assertion: detector's battery | /r/HasProperty | low
Facets:
Source sentences:
text: When the battery is exhausted a battery-only smoke detector becomes inactive; most smoke detectors chirp repeatedly if the battery is low.
text: The US National Fire Protection Association recommends that home-owners replace smoke detector batteries with a new battery at least once per year, when it starts chirping (a signal that the battery is low), or when it fails a test, which the NFPA recommends to be carried out at least once per month by pressing the "test" button on the alarm.
text: Smart smoke detectors solve both these issues, as they send you smartphone notifications when the alarm goes off and give you a heads up when the battery is low.
text: This gives enough room for any gasses, while also making sure that the smoke detector detects the rising smoke and as an added bonus you can see the smoke detector red light in case there is something wrong like the battery is low.
text: All battery-operated detectors are supposed to signal a low battery, but you have to make sure they’re working; newer models won’t close if the battery is removed.