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How-To

How to change keypad battery in a Chamberlain garage door opener?

We’ll show you how to change the battery In a Chamberlain garage door opener keypad.

how to change battery in chamberlain keypad

Ever been locked out because your Chamberlain myQ keypad battery died? Well, if you are reading this post, chances are you have been recently through this annoying experience.

A simple change of the keypad battery for your garage door is all you need to do in most cases. The good part is you can do this without calling a professional.

So, if you’re eager to take matters into your own hands, follow this step-by-step guide to change the keypad battery in a Chamberlain garage door opener.

Steps to change keypad battery in a Chamberlain garage door opener

Chamberlain myQ Garage Door Opener

Chamberlain's automatic garage door openers are powered by myQ. That gives you app control and linking to Amazon Key, for in-garage deliveries to defeat porch pirates.

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The very first step involves removing the battery cover. It’s also the trickiest one as it varies from model to model.

For Chamberlain 740CB or 66LM keypads

To replace the battery on this keypad, you’ll need a small Phillips head screwdriver and a 9V battery.

Open the cover

Unscrew the screw holding the battery door cover on and slide the cover down.

Swap the battery

Remove the old battery and replace it with a fresh one.

Fasten things up again

Slide the cover back on and fasten the screw to keep it in place.

Chamberlain 940CB, 976LM, and 376LM keypads

To change the battery in these, you’ll need a small Phillips screwdriver with a thin shaft and a 9V battery.

Open the cover

Put the thin screwdriver into the small hole at the bottom of the cover and pull outward gently to loosen. Slide the cover off the rest of the way.

Swap the battery

Unplug the battery and replace it with a fresh one.

Replace the cover

Slide the cover back on until it clicks closed.

Chamberlain 940D, 940EV, 977LM, 377LM, 877LM, 877MAX, and 878MAX keypads

To change the keypad battery in this style, you’ll need a small flathead screwdriver and a 9V battery.

Pop the cover off

Put the tip of the screwdriver into the oval cut on the top of the battery door and gently lever it open. Then slide the battery door off the rest of the way.

Swap the battery

Swap the old battery for a fresh one.

Replace the cover

Slide the cover back on until it clicks shut.

Wrapping up

If you know your Chamberlain myQ garage door opener keypad type and have the right tools with you, changing the battery in the keypad of any Chamberlain garage door opener is pretty straightforward.

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