Sensor Battery Replacement

Sensors include devices such as Carbon Monoxide detectors, Smoke Detectors, Door & Window Sensors, Motion Detectors and Glassbreak Detectors. Most new sensors take a CR123A battery. If your sensor does not take a CR123A battery, don’t worry. We made a handy chart for you to see which battery is compatible with your device.

Simply click the image of the sensor below to view battery instructions and specifications, as well as replacement videos.