Motion Sensor Battery Life

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How long do the batteries last?


Battery life can vary depending on the brand and the level of activity in the area the motion sensor protects.

  • Most batteries will last anywhere from 3 to 12 months.
  • In a high traffic area, changing the batteries every 3 to 4 months is a good idea.
  • We recommend you replace them during Daylight Savings just as you do with a smoke detector.

Remember, whenever you remove the batteries, it will reset a home automation motion sensor to A1, and a security motion sensor needs to be re-initialized.