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FAQs for Replaceable Battery Smoke Detectors
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What is the difference between a battery-powered smoke detector and a hardwired detector?
Hardwired smoke detectors require professional installation and won’t work if the power goes out, while battery-powered smoke detectors are easy to install and still work during a power outage. If you choose a battery-powered smoke alarm, please check the device status once a week to ensure it is functioning properly. Once the battery is dead, you will need to replace the battery or the entire unit.
