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:

  1. Remove the cover of your Saphe One by grasping the two buttons at the side with two fingers.
  2. Press lightly against the sides of the buttons and pull the cover away from the bottom of the Saphe alarm.
  3. On the inside of the lid is the battery. If necessary, push it out with a pen, key, nail or other pointy object.
  4. Insert a new battery into your Saphe One and reattach the cover.