Home Alarm Battery Failure Causes

November 10, 2023 9:29 pm Published by Leave your thoughts

Home alarm systems are designed to provide security and peace of mind for homeowners. These systems rely on batteries to function properly, as they act as a backup power source in case of a power outage. However, it is not uncommon for home alarm batteries to fail, leaving homeowners vulnerable to potential security breaches. In this blog post, we will discuss some of the common causes of home alarm battery failure and how to prevent such failures.

1. Age of the Battery:

One of the primary causes of home alarm battery failure is the age of the battery itself. Like any other battery, home alarm batteries also have a shelf life. Over time, the battery begins to lose its ability to hold a charge, making it less reliable during power outages. It is important for homeowners to keep track of the age of their home alarm battery and replace it before it becomes too old.

2. Power Outages:

Frequent power outages can also cause home alarm battery failure. When the power goes out, the alarm system switches to battery power to continue functioning. If the power outages are frequent and long-lasting, the battery may not have enough time to recharge fully, leading to its failure. To prevent this, homeowners should consider installing a battery backup system that can support the alarm system for an extended period.

3. Lack of Maintenance:

Another common cause of home alarm battery failure is lack of proper maintenance. Just like any other electronic device, home alarm systems require periodic maintenance to keep them running smoothly. This includes inspecting the battery for signs of corrosion, ensuring it is properly connected, and cleaning any dirt or debris around it. Regular maintenance can help identify potential battery issues before they become major problems.

4. Overcharging:

Overcharging the battery is another possible cause of home alarm battery failure. When left plugged in for an extended period, the battery may be subject to overcharging. This can damage the battery and reduce its overall lifespan. It is essential for homeowners to follow the manufacturer’s instructions regarding charging times and avoid overcharging the battery to prolong its life.

5. Temperature Extremes:

Extreme temperatures can also impact the lifespan of home alarm batteries. Both high and low temperatures can affect the performance and longevity of the battery. Homeowners should ensure that the alarm system is installed in an area where it is protected from extreme heat or cold. Additionally, it is advisable to regularly check the battery’s temperature to ensure it is within the optimal range.

6. Faulty Wiring:

Faulty wiring can also cause home alarm battery failure. If the wiring connected to the battery is not properly insulated or if there are any loose connections, it can lead to a drain on the battery’s power. Homeowners should periodically inspect the wiring and ensure it is in good condition. If any issues are detected, it is important to have them repaired promptly to avoid battery failure.


Home alarm battery failure can be caused by various factors, including the age of the battery, frequent power outages, lack of maintenance, overcharging, temperature extremes, and faulty wiring. To prevent such failures, homeowners should be proactive in monitoring and maintaining their home alarm systems. Regular maintenance and following the manufacturer’s instructions regarding battery care can significantly extend the life of the battery. By taking these preventive measures, homeowners can ensure that their home alarm system remains reliable and provides the security they expect.

Need a Battery Store in Houston, TX?

Why did my battery on my home burglar alarm suddenly fail? Most of the time a burglar alarm goes off and the battery is more than 2 years old, the battery gets depleted and the charger cannot bring the battery back to full charge because the battery has developed sulfation which creates more resistance to take a charge. So much resistance the charger fails. Replace batteries on a schedule and more likely they will not fail early, and the charger will not fail.

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