Home General Battery For Xfinity Door Sensor: A Comprehensive Guide

Battery For Xfinity Door Sensor: A Comprehensive Guide

Tyco XHS1TY Motion Sensor Battery Kit (2 x CR123A Lithium Batteries)
Tyco XHS1TY Motion Sensor Battery Kit (2 x CR123A Lithium Batteries) from www.batteryjunction.com


Xfinity door sensors are an essential part of your home security system, ensuring that your doors are protected from unauthorized access. To keep your Xfinity door sensor functioning optimally, it is crucial to understand the importance of the battery that powers it. In this article, we will provide you with everything you need to know about the battery for your Xfinity door sensor.

Why is the battery important?

The battery is the lifeblood of your Xfinity door sensor. It provides the necessary power to detect when a door is opened or closed and sends the signal to your security system. Without a properly functioning battery, your door sensor may fail to operate, leaving your home vulnerable to potential intruders.

Choosing the right battery

When it comes to selecting a battery for your Xfinity door sensor, it is crucial to choose the right one. The most common type of battery used in door sensors is the CR2032 coin cell battery. It is readily available and provides a long-lasting power source for your sensor.

Where to buy the battery?

You can find the CR2032 coin cell battery at most local electronics stores or online marketplaces. It is advisable to purchase from reputable sellers to ensure the authenticity and quality of the battery.

Replacing the battery

Over time, the battery in your Xfinity door sensor will deplete its power. It is essential to know when and how to replace it to maintain the functionality of your sensor.

Signs that the battery needs replacement

There are a few signs that indicate your Xfinity door sensor battery needs replacement. These include:

1. The sensor fails to detect door openings or closings consistently.

2. The LED light on the sensor appears dim or does not light up at all.

3. You receive low battery notifications from your security system.

Steps to replace the battery

Replacing the battery in your Xfinity door sensor is a simple process. Follow these steps:

1. Locate the battery compartment on the sensor. It is usually on the back or side of the device.

2. Use a small screwdriver or coin to open the compartment.

3. Remove the old battery and dispose of it properly.

4. Insert the new battery, ensuring the correct polarity (+/-) is aligned.

5. Close the battery compartment securely.

Battery maintenance tips

To prolong the life of your Xfinity door sensor battery, consider the following maintenance tips:

1. Keep the sensor away from extreme temperatures, as they can shorten battery life.

2. Regularly clean the sensor to prevent dust or debris from affecting battery performance.

3. Monitor your security system’s battery status and replace the battery promptly when low battery notifications are received.


The battery for your Xfinity door sensor plays a crucial role in maintaining the security of your home. By choosing the right battery, replacing it when needed, and following proper maintenance tips, you can ensure the optimal functioning of your Xfinity door sensor and enjoy peace of mind knowing that your home is secure.