How to Open a Schlage Lock with a Dead Battery – Easy Way

Here’s the short way how:

  • Place a 9-volt alkaline battery below the bolt throw.
  • Wait for 1 red light and then 3 green lights with 3 beeps
  • Enter a valid credential.
  • Make sure the bolt throw is angled away from the edge of the door.
  • Replace the batteries.
  • Verify the credentials and relock the lock

Understanding Schlage Locks and Battery Life

Schlage locks are renowned for their durability and long-lasting performance. However, it’s essential to understand that these electronic locks rely on batteries for their functionality. Over time, these batteries can drain, leading to a dead battery situation.

Most Schlage locks utilize AA or 9V batteries, and under normal usage, these batteries can last up to two years. It is crucial to monitor the battery life of your lock and replace the batteries when needed to avoid being locked out due to a dead battery.

Identifying the Low Battery Warning Signs

Schlage locks are equipped with various features to alert you of a low battery. These warning signs include:

  1. Visual Indicator: A red LED light will flash on the lock’s keypad to signal a low battery.
  2. Audible Warning: The lock will emit a series of beeps when the battery is low.
  3. Decreased Lock Performance: You might notice a slower response time when entering your access code or using the lock.

It’s essential to pay attention to these warning signs and replace the batteries promptly to avoid a dead battery situation.

Opening a Schlage Lock with a Dead Battery

In the event of a dead battery, follow these steps to open your Schlage lock:

Step 1: Locate the External Battery Terminal

Most Schlage electronic locks come with an external battery terminal, which is usually located at the bottom of the lock. This terminal allows you to connect a backup battery to temporarily power the lock.

Step 2: Connect a Backup Battery

To power the lock, you will need a 9V battery. Hold the battery’s positive (+) terminal against the lock’s positive terminal and the negative (-) terminal against the lock’s negative terminal. This should supply enough power to the lock for a short time.

Step 3: Enter Your Access Code

While maintaining the connection between the backup battery and the lock, enter your access code on the keypad. The lock should now recognize the code and unlock.

Step 4: Replace the Dead Battery

Once you have gained access, replace the dead battery with a fresh set of batteries as per the manufacturer’s guidelines. Ensure that you insert the batteries correctly, and test the lock to confirm its proper functioning.

Maintaining Your Schlage Lock for Optimal Performance

To avoid dead battery situations in the future, follow these maintenance tips:

  1. Regular Battery Replacement: Replace the batteries at least once a year, or when the low battery warning signs appear.
  2. Use High-Quality Batteries: Invest in reputable battery brands to ensure optimal performance and longevity.
  3. Keep Firmware Updated: Ensure your lock’s firmware is up-to-date, as updates may include improvements in battery management.


A dead battery can be an inconvenience, but with proper maintenance and awareness of the warning signs, you can minimize the chances of being locked out.

By following the steps outlined in this article, you can confidently open your Schlage lock in the event of a dead battery and continue to enjoy the security and convenience it offers.


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