Battery Replacement Instructions for Premium Feature HRM Straps

This instructional FAQ provides steps to replace the coin cell battery in the following HRM straps:

You will need the following to complete this process in about 5 minutes:

Instructions to Replace the HRM Battery

Remove the colored ring around the module
Unscrew the four screws holding down the cover to the module
- Use an appropriate sized Phillips head screwdriver (Phillips #00)
- Partially unscrew all 4 screws evenly, before fully unscrewing each one
- If a screw is stripped or difficult to remove, consider placing a rubber band on the tip of the screwdriver to provide better grip
Carefully remove the cover
Turn over the strap and tap the back to get the battery out
Carefully insert the new battery ensuring that the positive side is facing out as shown here:
Place the cover back on and tighten the four screws
- NOTE: To ensure that the battery compartment is not compromised, verify that the red o-ring is properly in place, the battery door is installed correctly, and do not overtighten the screws
Replace the colored ring around the module

The battery has now been replaced in your HRM strap.

You can also follow along with the related how-to video below:

If you need replacement screws for your heart rate monitor strap, contact Product Support for further assistance.