Smoke detectors are one of the simplest yet most effective safety devices in any home — but they’re often forgotten until they start chirping in the middle of the night. To keep your household safe, it’s important to test each detector once a month and replace batteries at least once a year, or as soon as you hear a low-battery warning.
Different types of smoke alarms may use either 9V or AA batteries. When replacing, always use high-quality alkaline or lithium options to ensure consistent performance. After inserting new batteries, press the test button for a few seconds to confirm the alarm is working properly. If your device is more than 10 years old, it’s time to replace the entire unit.
Regular maintenance not only prevents nuisance alarms but also ensures your detector is ready when it truly matters. A working smoke detector gives you and your family precious extra minutes to respond in an emergency — a simple routine that can make all the difference.
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