The battery contained in a Saphe One is a button cell battery of type CR2450 3 volt.


Watch the video guide below (Video text is in Danish, but illustrates the process) to see how to change the battery on a Saphe One or do the following:

  • Remove the cover of your Saphe One by grasping the two buttons at the side with two fingers
  • Press lightly against the sides of the buttons and pull the cover away from the bottom of the Saphe alarm.


You can also:

  • Use a ruler, butter knife, letter knife or something else that is flat
  • Push it in under both buttons at the front and rotate the object until the lid is pushed off
  • Remove the lid


Now you can:

  • Access the battery and eject it
  • Insert a new battery in your Saphe One and replace the cover