To replace a bad genie backup battery first start by unplugging your genie opener from the wall outlet.
How to replace battery on craftsman garage door opener.
Look on the back of the craftsman garage door opener remote to find the battery cover.
For the battery cover from the tray.
Quick how to on changing the battery of your sears craftsman garage door remote control.
The battery cover should be somewhere in or along visor clip.
Use a flat head screwdriver for leverage if necessary.
Quick how to on changing the battery of your sears craftsman garage door remote control.
Install the new battery in its place and plug the battery back into the genie opener using the connector cable.