5 Reasons Why Schlage Smart Lock Battery Drain With Fixes

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By Rose Marie

Are you tired of constantly changing the batteries in your Schlage smart lock? Fed up with the inconvenience and frustration of a lock that drains its battery life faster than you can say “keyless entry”? Well, you’re not alone.

The Schlage Smart Lock Battery Drain issue has plagued countless homeowners, leaving them feeling helpless and unsure how to address this vexing problem.

But fear not, for in this article, we will delve into the reasons behind this draining issue and explore effective ways to fix it once and for all.

So, if you’re ready to bid farewell to the never-ending battery replacement cycle, read on and discover how to reclaim control over your smart lock’s power consumption.

why schlage smart lock battery drain - 5 reasons

Why is my Schlage lock Draining batteries so fast – 5 Common Reasons

If you find yourself constantly replacing batteries in your Schlage Lock, there could be a few reasons behind this frustrating issue. Let’s explore some possible reasons why Schlage smart lock battery drains so fast.

1. Using Incompatible Batteries

Firstly, using the wrong type of batteries can significantly impact the lifespan of your lock’s power source.

Schlage Locks typically require alkaline batteries, as they provide a consistent and reliable power supply.

Using lower-quality batteries or ones with different chemistry may result in faster drainage and the need for frequent replacements.

2. Faulty Lock Mechanism

Another potential culprit could be a faulty lock mechanism. Over time, internal components may wear out or become misaligned, causing increased power consumption.

If you notice any unusual sounds or difficulties when operating the lock, it might be worth contacting a professional locksmith to inspect and repair the mechanism.

3. Weak Signal Strength

Signal strength can also play a role in battery life. If your lock is located far away from the main control panel or hub, it may struggle to maintain a strong and stable connection.

In such cases, the lock may consume more power as it continuously attempts to communicate with the control system.

Consider relocating your hub or installing a signal repeater to improve the lock’s signal strength and potentially extend battery life.

4. Incorrect Configuration

Incorrect settings on your Schlage Lock can also contribute to excessive battery drain. Some models offer various features and customization options that can impact power consumption.

For instance, enabling frequent automatic lock/unlock cycles or activating power-hungry security features may drain the batteries faster.

Incorrect setting causes schlage smart lock battery drain

Review your lock’s user manual or consult the manufacturer’s website to ensure you have optimized the settings for energy efficiency.

5. Flawed Installation

Lastly, a faulty installation could be the root cause of your battery woes. If the lock is not properly aligned or installed, it may strain the internal components unnecessarily, leading to increased power consumption.

Double-check that the lock is correctly installed, and if you suspect any issues, it’s advisable to seek professional assistance to rectify the installation.

By addressing these potential issues, you can hopefully resolve the battery drain problem and enjoy a more reliable and long-lasting lock.

Relevant Readings

How To Fix Schlage Smart Lock Draining Batteries – 4 solutions

As a user of Schlage Smart Door Locks, I understand the frustration that comes with a Schlage smart lock draining batteries quickly.

Fortunately, there are a few steps you can take to fix this issue and ensure your lock operates efficiently.

1. Ensure That You’re Using the Right Battery

Using the wrong battery can lead to excessive power consumption and quick draining.

Therefore, verifying that you’re using the right battery for your Schlage smart lock is crucial. Double-check the lock’s manual or specifications to ensure you’re using the recommended battery type.

If you are using lithium batteries with your Schlage Smart Lock, it’s possible that this could be the culprit behind your battery troubles.

NOTE – All Schlage Electronic/Smart locks are designed to work best with non-rechargeable alkaline batteries.

Alkaline batteries provide the ideal power source for your lock and enable it to function smoothly and efficiently. These batteries are widely available and can be easily found at most stores.

Lithium batteries can be a cause of Schlage Smart Lock Battery Drain Issue

2. Bring Router Closer To Your Schlage Lock

Another factor to consider is the distance between your router and the smart lock. If they are too far apart, it can result in a weak signal and cause the lock to use more power to maintain a connection.

Bringing your router closer to the lock can improve signal strength and reduce battery drainage.

In order to bring the router closer to your Schlage lock, you can consider repositioning the router within your home.

  • Start by identifying the ideal location where the signal strength is the strongest. This can be done by checking the signal bars on your devices or using a Wi-Fi signal strength analyzer app.
  • Once you have found the optimal spot, try moving the router to that area.
  • Remember that obstructions such as walls, furniture, or appliances can affect signal strength, so try to minimize these obstacles as much as possible.

Bringing the router closer to the lock can ensure a strong and stable connection, reducing the strain on the lock’s battery and improving its overall performance.

3. Factory Reset To Restore Default Settings

If the previous steps don’t resolve the battery drainage issue, you may need to perform a factory reset to restore the default settings of your Schlage lock. It can help eliminate any software glitches that may be causing excessive battery usage.

Tip – This process will erase all user codes and settings, so reprogramming the lock and setting up new codes after the reset is crucial.

Here is a step-by-step way how to perform a factory reset of the Schlage smart lock in a list form.

  1. Start by removing the batteries from the back of the Schlage smart lock.
  2. Locate the small pinhole on the lock’s backplate.
  3. Use a straightened paperclip or a similar tool to press and hold the reset button inside the pinhole for a few seconds.
  4. While holding down the reset button, reinsert the batteries into the lock.
  5. Continue to hold the reset button until the lock beeps and the indicator light flashes red.
  6. Release the reset button and wait for the lock to complete the factory reset process.
  7. Once the lock has reset, it will return to its default settings, and all previous user codes and configurations will be erased.

It is recommended to consult the lock’s user manual or the Schlage customer support for specific instructions related to your smart lock model, as the steps may vary slightly.

4. Reinstalling The Schlage Smart Lock

In some cases, reinstalling the lock can help resolve battery drainage problems. Ensure that the lock is properly aligned and securely attached to the door.

Sometimes, a loose or misaligned lock can cause increased power consumption, leading to battery drain.

In such cases, the lock mechanism may not properly engage or disengage, resulting in continuous power consumption as the lock attempts to secure or unlock the device.

Additionally, a misaligned lock may cause unnecessary friction or resistance, requiring the device’s motor or other components to work harder and increase power consumption.

Misaligned locks can drain batteries of schlage locks

Therefore, it is crucial to regularly check and maintain device locks to prevent potential battery drain issues.

Following these steps, you can troubleshoot and fix the Schlage smart lock draining battery issue. Remember to always refer to the lock’s manual or contact Schlage’s customer support for further assistance if needed.

How do I know if my Schlage Lock needs a new battery?

If your Schlage lock seems unresponsive or its keypad lights are dim, it may be time to replace the battery. This is the most common sign that your lock needs a new battery.

The first sign to watch out for is when your lock responds slowly. If you notice delays in the lock’s response time, such as unlocking or locking, it could indicate that the battery is losing its power.

While it might not be a complete halt in functionality, this slow response is still a clear sign that it’s time to swap out the batteries.

Before jumping to conclusions, checking the battery first’s a good idea.

Secondly, if you hear a beeping sound or notice the lock’s battery indicator light flashing, it’s a clear indication that the battery is on its last legs.

Some Schlage locks have an audible alert system, which produces a beeping sound to notify you of low battery levels.

Additionally, many models have a battery indicator light that flashes when the batteries run low. So, if you hear those beeps or see that flashing light, it’s time to replace the battery.

So, keep an eye out for these signs – an unresponsive lock, a beeping sound or flashing, a slow response, and a flashing battery indicator light. If you notice any of these indicators, it’s time to replace the battery in your Schlage lock.

Remember – Keeping your lock’s batteries fresh and in good condition is crucial for maintaining the security and functionality of your lock.

Read More About Schlage Lock

Does Schlage Make A Smart Key Lock?

Frequently Asked Questions FAQs

How long do batteries last in Schlage smart lock?

The battery life of a Schlage smart lock can vary depending on usage and the specific model. On average, you can expect the batteries to last anywhere from 6 months to 1 year.

For example, the battery life of the Schlage Connect Smart Deadbolt is up to 1 year for normal usage.

What happens if Schlage lock runs out of battery?

If a Schlage lock runs out of battery, it may cause the lock to become unresponsive and unusable. Here are a few possible scenarios:

1. Inoperable Keypad – If the lock is a keypad-operated model, the keypad may stop working, and you won’t be able to enter your access code to unlock the door.
2. Failure to Lock/Unlock – The lock may fail to lock or unlock when prompted, either through a keypad or a key. This can lead to being locked out or having an unlocked door, compromising security.
3. Alarm Malfunction – Some Schlage locks have built-in alarms that can be triggered if tampered with. When the battery dies, the alarm system may malfunction or not work at all.
4. Loss of Smart Features – If the Schlage lock is a smart lock that connects to a mobile app or a home automation system, battery depletion may cause the lock to lose its smart functionality, rendering it unable to communicate with the app or the automation system.
To avoid these issues, regularly check your Schlage lock’s battery level and replace the batteries as needed.

Additionally, some Schlage locks have a backup key option that allows you to manually lock and unlock the door even if the battery is dead.

How long does a 9V battery last in Schlage Lock?

The lifespan of a 9V battery in a Schlage lock can vary depending on several factors, such as usage frequency, type of lock, and battery quality.

Generally, a 9V battery in a Schlage lock can last anywhere from 6 months to 2 years. It is recommended to regularly check the battery level and replace it when needed to ensure optimal functionality of the lock.

How often should you change the battery in Schlage lock?

It is generally recommended to replace the batteries in your Schlage lock every 6 to 12 months, depending on usage.

Regularly checking the battery level and replacing them before they run out is advisable to avoid any inconvenience or lockouts.

Some models may even provide low battery notifications, indicating when it’s time for a battery change.

Why does my Schlage door lock battery keep dying?

If your Schlage door lock battery keeps dying quickly, there may be a few reasons.

First, ensure that you are using fresh, high-quality batteries. Poor-quality or expired batteries can drain quickly.

Secondly, check for any issues with the lock’s motor or internal mechanism, which can cause excessive battery usage.

Lastly, be mindful of any additional features or accessories connected to the lock, such as Wi-Fi modules, which may increase power consumption.

Do Schlage locks have a lifetime warranty?

Schlage offers varying warranty periods depending on the specific lock model.

While not all Schlage locks have a lifetime warranty, many of their products do come with a limited lifetime mechanical and finish warranty.

This warranty typically covers defects in materials and workmanship, providing you with peace of mind regarding the quality and durability of your Schlage lock.

It’s always recommended to check the specific warranty details for the lock you have or plan to purchase.


In conclusion, while the Schlage Smart Lock offers convenience and enhanced security for our homes, it is essential to address the battery-draining issue that some users have experienced.

By understanding the potential causes, such as excessive use or a faulty lock, we can take proactive steps to troubleshoot and resolve this issue.

Remember, maintaining our Schlage Smart Locks is crucial to enjoying their benefits seamlessly. So, if you’ve been facing battery-draining problems, don’t fret. Take action today by implementing the strategies mentioned earlier or seeking professional guidance.

With a little effort, we can guarantee a reliable and long-lasting smart lock experience that keeps our homes secure. Let’s embrace the power of technology and make the most out of our Schlage Smart Locks.


  • Schlage Smart Lock Battery Life (Link)
  • How to test the WiFi signal strength to lock? (Link)
  • Schlage Warranty (Link)
  • Troubleshooting of Schlage Smart Lock Battery Drain (Link)

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