‎How to Replace Motion Sensor Gen 2 Battery | SimpliSafe Help Center

How to Replace Motion Sensor Gen 2 Battery

 Updated 

The Motion Sensor Gen 2 takes a single CR-123A Lithium 3V battery and has a life expectancy of up to 4 years depending on placement and usage.

To change your Motion Sensor Gen 2 battery, slide the sensor up and off its bracket. Then, replace the battery and slide it back onto its bracket.