ADT boasts a century-long legacy in the realm of alarms and security systems installation. Their wealth of experience in home and business monitoring is unparalleled.
Regardless of your familiarity with your ADT security system, queries inevitably arise from time to time, prompting a quest for enlightenment. One such query that often gets overlooked is the longevity of their batteries.
Many users including you, have been wanting to know how long deoes ADT battery last? Well you are in luck! Within this context, we shall embark on a journey to answer the question, “How long does an ADT battery endure?”
We will unravel the factors that influence battery life, unveil tips to extend its longevity, identify signs of a failing battery, and elucidate the process of replacing ADT batteries. Your quest for comprehensive knowledge in the realm of ADT batteries begins here. So, let’s get started!
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What Are ADT And ADT Batteries?
ADT, which stands for “American District Telegraph,” is a well-established and reputable company specializing in home and business security systems.
Founded over a century ago, ADT has a rich history in providing security solutions to protect homes and commercial properties.
They offer a range of services, including alarm monitoring, surveillance systems, access control, and more, all aimed at enhancing security and peace of mind for their customers.
Now, let’s delve into ADT batteries. In the context of ADT security systems, batteries play a crucial role in ensuring the continuous operation of various components within these systems.
ADT batteries are typically rechargeable backup batteries that provide power to essential security devices and sensors when there’s a power outage or disruption. These devices can include control panels, sensors, cameras, and other security-related equipment.
The primary purpose of ADT batteries is to maintain the functionality of the security system even when the main power source is unavailable.
This ensures that the system can continue to detect and respond to security breaches, fire alarms, or other critical events, offering continuous protection to your home or business.
How Long Does ADT Battery Last?
The longevity of ADT batteries is a critical concern for those relying on these batteries to power their security systems.
It’s important to recognize that the lifespan of ADT batteries can vary depending on several factors, including usage patterns, environmental conditions, and the specific models of batteries in use. Nevertheless, here’s an estimate of how long ADT batteries last:
- ADT Panel Battery: This backup battery, which primarily kicks in during power outages, is generally rated to last for 3 to 5 years. However, if you receive a battery warning on your keypad or smartphone, it’s a clear indication that it’s time for a replacement.
- Sensor Batteries: These batteries, crucial for the operation of various sensors in your security system, also tend to last approximately 3 to 5 years
- Rechargeable Batteries for Cameras and Video Doorbells: ADT uses long-term rechargeable batteries for outdoor cameras and video doorbells. While they are designed for longevity, it’s safe to assume that they follow the 3 to 5-year rule as well.
A notable benefit is that under most ADT plans, you can obtain a free replacement battery (once per year) for any of these devices, including older equipment not explicitly mentioned.
Additionally, if you’re using wireless alarm systems, the lifespan of the batteries can also fluctuate based on how frequently the system is engaged and the climate of your location.
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How To Change ADT Battery
Here are the steps to ensure a smooth battery replacement process:
Step 1: Gather Necessary Tools and Materials
To start, make sure you have the following tools and materials ready:
- A Phillips head screwdriver
- A new 9V battery
- The plastic screwdriver that came with your ADT panel (if included)
When purchasing a new battery, check the current battery’s size and buy an identical replacement. Avoid using general-purpose batteries for the best results.
Step 2: Identify the Type of Battery Needed
Understanding the type of battery your ADT alarm system requires is crucial. ADT alarm systems typically use rechargeable lithium-ion batteries, but occasionally, they may use lead-acid batteries.
Rechargeable lithium-ion batteries are more expensive but last longer and are rechargeable, potentially saving you money in the long run.
On the other hand, lead-acid batteries are generally cheaper but need more frequent replacements. Choose the type that suits your needs and make sure it matches the model specifications recommended by ADT for your system.
Step 3: Locate the Battery
Knowing where to find the battery in your ADT alarm system is essential. While it’s usually located on the main control panel, the exact location can vary.
Consult your user manual or contact ADT for guidance if you’re unsure. Identifying the battery’s location makes the replacement process more efficient.
Step 4: Remove the Old Battery
Safety is paramount when removing the old battery. Follow these steps:
- Disconnect the power source to the system to ensure it’s not active.
- Wear protective gear, such as gloves and safety glasses, when handling the old battery.
- If your system has a RESET button, press and hold it for at least 15 seconds to reset settings and disconnect any power.
Step 5: Unscrew the Battery Compartment
Use your Phillips head screwdriver to carefully unscrew the battery compartment. Ensure you don’t lose any screws during this process. Once removed, take out the old battery and dispose of it safely.
Step 6: Install the New Battery
Now, it’s time to install the new battery:
- Insert the new battery in the same location as the old one, making sure it’s securely seated.
- Double-check the connections by gently wiggling each terminal to ensure a proper connection.
- Replace the metal lid securely to prevent any potential issues.
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Step 7: Secure the Battery Compartment
Reattach the red and black wires to their respective terminals in the battery compartment. Use the plastic screws to secure the terminal blocks. Finally, secure the panel case by reinstalling all the screws that were removed earlier.
Step 8: Test the Alarm System
Testing your ADT alarm system after a battery replacement is crucial to ensure it functions correctly. Reconnect the power by plugging your system back into its power source. Then, follow these steps to test the system:
- Enter your user code and press the “Off” button to deactivate any existing alarms.
- Test all your sensors, such as door contacts and motion detectors, to ensure they communicate properly.
- Press and hold the “Test” button on your keypad for about 15 seconds; this activates an audible siren, confirming that your system is working correctly.
When And How To Replace ADT Batteries?
If a door sensor triggers, your keypad or mobile app will display a zone trouble indicator. This indicates the need to replace the battery in that particular door or window sensor to resolve the issue. To replace an ADT Battery, follow these steps
- Set the system to test mode to prevent a false alarm:
- Go to MyADT.com
- Navigate to “My Alarm” in the dashboard
- Access System Management
- Select “Test System” to place the system in test mode.
- Replace the battery:
- Use a flathead screwdriver to push in the tab of the sensor.
- Ensure the battery’s polarities are correctly aligned.
- Snap the tab securely back in place.
- Return the system to normal operation:
- Visit MyADT.com again and take your system off test mode.
By following the proper procedures, you can ensure the optimal performance and longevity of your ADT sensor batteries.
Factors Affecing The Lifespan of ADT Batteries
The longevity of ADT batteries, typically lasting between three to five years on average, can be influenced by various factors. These include:
Battery Types:
The type of battery used plays a significant role in its lifespan. Alkaline and lithium-ion batteries are the two main types. Alkaline batteries often offer higher initial power but may have limitations.
In contrast, lithium-ion batteries are lighter and can last significantly longer. Choosing the right type depends on your specific needs and preferences.
Temperature Extremes:
Temperature is a key factor affecting battery life. High heat can cause batteries to drain faster, while extremely cold conditions can also impact their performance. Batteries tend to function optimally within a temperature range of 50-77 degrees Fahrenheit.
Sensor Placement:
Where you position your sensors can impact battery life. For instance, sensors placed near objects that attract moisture, like plants or branches, can experience quicker battery depletion.
Similarly, sensors in high-traffic areas, such as front doors, may drain batteries more rapidly. To optimize battery performance, consider placing sensors in low-traffic, accessible locations, like near windows.
Tips To Prolong The Lifespan of Your ADT Battery
Although ADT security system batteries have a predetermined lifespan, there are steps you can take to extend their longevity and optimize their performance.
Correct Charging Practices:
Ensuring that you charge your ADT battery correctly, following the manufacturer’s instructions, is crucial. Overcharging or undercharging can significantly impact its overall lifespan. Adhering to recommended charging practices helps maintain the battery’s health and maximize its overall life.
Regular Battery Testing:
Periodically testing your ADT battery is essential to ensure it continues to perform as expected. Most systems have a built-in battery test feature that you can activate to assess its performance.
Regular testing allows you to identify any issues or a decline in battery performance early on and take appropriate action.
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System Upgrades:
Consider upgrading your ADT security system to incorporate more energy-efficient components. Advanced technology and newer models often consume less power, allowing your battery to last longer.
Consult with an ADT professional to explore upgrade options that can enhance your system’s performance and extend the life of your battery.
In Conclusion
With an average lifespan of three to five years, ADT batteries play a critical role in ensuring your ADT system operates flawlessly. However, several factors, such as battery type, temperature, and sensor placement, can influence how long they last.
By adhering to the practices provided above, you can maximize the lifespan of your ADT battery, ensuring continued protection for your home or business. Keep your security system at its best, and enjoy the peace of mind that comes with an efficient and reliable ADT battery.

My name is Anucha Ken and I currently run Geekuu with some skilled editors to ensure that you get the best gaming and tech information that you can leverage.