How to replace your LiftMaster keypad battery? 

 September 19, 2021

By  Phil Borges

It is always inconvenient when you are trying to get into your garage, and the keypad is not working. This can be disconcerting, especially if it gets dark or cold outside while you are waiting for someone to come let you in. That's why many people invest in a keyless entry with battery backup. But what do you do when that battery starts dying? When it's time to change the battery, do you know how to change the battery successfully? Luckily for you, we've put together an easy step-by-step guide on how to do just that.

How to replace your LiftMaster keypad battery?

LiftMaster keypads are a great way to control your garage door. They come with the convenience of having buttons that allow you to open and close the door without getting out of your car. The only problem is, they have limited battery life. But don't worry, as the replacement battery for LiftMaster's keyless entry is pretty easy and straightforward.

Step 1: To access the battery compartment of your LiftMaster Keypad, you need to slide down the battery cover that is located at the lower or bottom portion of the keypad.

Step 2: Take out the old battery and disconnect the battery clip that's connected to the positive and negative contacts.

Ensure to dispose of the defective battery the proper way as it contains harmful chemicals that will contaminate the environment if thrown carelessly.

Step 3: Grab the new battery, connect the battery clip to its corresponding contact and insert the battery in the compartment. Ensure you do not bend any of the wires inside, as this might permanently damage them and render them useless.

The Liftmaster Keypad uses a 9-volt battery which is pretty common and can be found in any hardware or auto parts store.

Step 4: Return the battery cover back on the keypad and test out your new battery. Enter your PIN and press ENTER button, the keypad should be working fine after replacing the battery.

When is the perfect time to change the battery of a LiftMaster keyless entry?

Your garage door keypad's battery will last for a certain amount of time, depending on how often it is utilized. The more you use the LiftMaster keypad, the more power it will consume and the sooner its battery will run out of effectiveness. The average lifespan of a garage door keyless entry battery is around a year, after which the battery must be replaced.

To avoid inconvenience due to failing battery power, it is suggested to change the battery every year or as soon as the signs of device malfunction shows.

What to do if the LiftMaster Keyless Entry system is not working?

The first action you should do when the garage door will not open is to make sure that all of your codes work. If the code has been changed, you must reset it.

Corrosion in the battery compartment can also cause problems with the LiftMaster's garage door keyless entry. An excellent way to check for corrosion is to inspect all of your batteries in keyless entry remote control devices around the house, including any other models you might have. If there are rust spots on them, this could be causing these issues with your system as well. To clean off the corrosion, you can use a piece of fine sandpaper.

Another possible problem could be is that your keyless entry remote control device is having connectivity issues. If the buttons aren't working at all, you might want to check and make sure that nothing is interfering with this transmission, such as a wall or door.

If any of the above won't fix the problem, there could be something wrong with either a sensor or track on one side, which would then require professional help from an electrician.


We hope you find this post with lots of information about the LiftMaster keypad useful and interesting, especially when it's time to change the battery. Use the recommended battery for your device for it to perform at its optimum level. If you know someone who may need this information, please share this blog post with them.

The garage door is important to everyone's home and gives car access for many people, so it deserves to be taken care of. As soon as you see a problem with your garage door's keyless entry, contact the professionals right away. Your safety and convenience are at stake when it comes to service needs for this device, so make sure not only do they get fixed quickly; but also handle them efficiently by knowing exactly what kind of work is needed in order to keep things running smoothly without any hiccups along the way.

About the author

Hi, I'm Phil Borges.. thanks for reading.. My wife says I can't shut up about batteries so to save my marriage I've started this blog .. where I'd be ranting about batteries! Please leave a comment if you have any questions, I'm happy to help!

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