How to replace battery in liftmaster garage door opener

• Problems with remote control
• Steps to replace the batteries
  • Batteries
  • Changing batteries in the garage door remote opener
  • Replacing LiftMaster keypad battery
• Related articles

• Although “nobody expects the Spanish Inquisition,” the day when your LiftMaster Garage Door Opener stops working will eventually come! 
• While all you have to do when the time comes is remove the old battery and insert a new CR2032 3V alkaline battery coin cell, some of us will find it more challenging than others. 
• In the guide below, we’re taking you through the whole process of battery replacement in various models. We can’t wait to share some valuable insights to give your garage door opener the power back and make it all nice and easy.

Problems with remote control

You’re just about to get in. Finally, after a long day at work, you made it home. 

What a relief! You’re almost there. 

The day is sunny; you already almost feel the softness of your couch and the smell of a homey dinner while still sitting in the car.

You’re getting closer; you reach out for the garage door remote.

You keep pushing the button—after all, it has been serving you so well for ages, precisely the same way—but the garage door doesn’t open. 

At a certain point, you realize your garage door opener doesn’t function anymore. 

That’s it—the end of its brilliant career.

So it happened, huh? Your LiftMaster Garage Door Opener officially refuses to cooperate when you’re tired, hungry, and would sell your soul to the devil for the most casual relaxing evening at home known to man. 

What to do now?

Steps to replace the batteries

The answer is not that complicated. 

It’s probably not broken. 

Often, all that garage door openers require to work again is for you to change the battery.

Now the question is: How to change battery in LiftMaster garage door opener?

So how to properly replace old batteries?

Batteries

Let’s see what we’ll need when it comes to battery for replacement.

3v cr2032 battery (also known as 10A20 or 010A0020) works with various LiftMaster and Chamberlain remote controls and accessories. 

Important: For security, to reduce the risk of fire, explosion, or chemical burn, replace your LiftMaster garage door opener only with 3V CR2032 coin batteries. Don’t recharge, disassemble, heat above 212°F (100°C), or incinerate.

Changing batteries in the garage door remote opener

Now, the process of the battery replacement in the garage remote doors’ opener comprises several steps:

1. Locate a small notch on the long side of the remote control.

Depending on the model of your Chamberlain group’s garage door remote model, you may have to:

• Slide the cover below the remote control buttons by pressing down firmly, 
• Remove the two screws on the back of the remote control case, or
• Pry open the case with a flat screwdriver blade;

In any case, just open the case.

2. Remove the old battery and dispose of old batteries correctly.

3. Insert the new replacement battery positive side up (+). 

4. Remember to replace the battery with only a 3V CR2032 coin cell battery.

It’s not only a choice of quality, but it’s also for security reasons. That’s the only battery backup that the brand approves.

5. Replace the cover.

Check out some widely available online videos to learn to access the battery compartment in more challenging designs. 

Replacing LiftMaster keypad battery

How to replace your garage door entry system’s worn-out battery?  

There are just four simple steps to take to replace your LiftMaster keypad battery:

1. Slide the battery cover down. The battery is located at the bottom of your keypad.

2. Disconnect the old battery and remove it. Always remember to dispose of your old battery correctly.

3. Install the new battery. LiftMaster’s garage door keyless entry systems require 9V batteries.

4. Now, you can put the battery cover back in place.

Tip: For specific details, you can always refer to your keypad’s instruction manual.

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