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Changing the battery in your Smart Button

For whoever looks after your Smart Buttons. To change the battery, twist the button to open the battery hatch, replace the old battery with a new CR2032 coin cell, then twist it back to close. The steps below explain each stage.

Step-by-step instructions

  1. Prepare the Battery
    You’ll need a CR2032 coin cell battery for replacement.

  2. Open the Battery Hatch

    • Place the Smart Button upside down.

    • Twist the outer casing anticlockwise to open the battery compartment.

    • If it feels tight, use a small tool such as a screwdriver or tweezers to gently turn the inner back cover.

  3. Remove the Old Battery

    • Carefully take out the old battery.

    • Note the orientation — the “+” side should be facing you.

  4. Insert the New Battery

    • Place the new CR2032 battery into the compartment.

    • Ensure the “+” side is facing towards you.

  5. Close the Battery Hatch

    • Align the top part of the Smart Button with the bottom.

    • Twist it clockwise until it clicks into place.

    • Make sure it’s securely closed to prevent any issues.