Overview
The Motion Sensor is powered by a lithium battery. Replacing it promptly ensures continuous protection.
When to Replace the Battery of Vanemar Motion Sensor
When the Vanemar App sends a low battery notification.
If the LED no longer lights or the sensor doesn’t detect motion.
Typically every 2–3 years, depending on usage.
Battery Type
1 × CR123A or CR17335 lithium battery (3V, non-rechargeable)
⚠️ Warning: Do not use damaged or leaking batteries.
Step-by-Step Battery Replacement
Remove the Motion Sensor from its mounting bracket.
Open the battery compartment at the back.
Remove the old battery.
Insert a new CR123A or CR17335 battery, matching polarity.
Close the compartment securely.
Re-attach the sensor to the mounting bracket.
Test by moving within its detection range and checking the Vanemar App.
Tips
Dispose of old batteries responsibly according to local regulations.
Keep spare CR123A batteries on board for convenience.
Avoid mixing old and new batteries.
Always use high-quality batteries for reliability.