How to Replace Codebox Battery

This guide will show you how to replace the battery in a Codebox if it shows "Low Power" or doesn't turn on.

To replace the battery, you will need a flathead screwdriver and a new 9V battery



The battery storage is secured behind a flathead screw in the keybin

If the display still works when you press any key:

Enter the door code and open the key bin
Using a flathead screwdriver, remove the battery cover
Replace the 9V battery behind the battery cover
Fasten the screw back in place, securing the battery cover

If the lockbox has no power:

Look on the bottom of the lockbox to find the battery port
Touch the 9V battery to the battery port. Hold it in place until the lockbox has enough power for the screen to turn on
Enter your door code to open the key compartment door
Using a flathead screwdriver, remove the battery cover
Replace the 9V battery behind the cover
Fasten the screw back in place, securing the battery cover

Updated on: 17/05/2025