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 $487.76 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. Check Availability KnowTechie is supported by its audience, so if you buy something through our links, we may get a small share of the sale. 08/23/2023 04:18 pm GMT 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…How to change keypad battery in a Chamberlain garage door opener?