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How to Replace a Polar F6 Battery

Polar USA heart monitors allow athletes of all ability levels to keep track of their pulse rate during exercise. Two-piece Polar heart monitoring systems consist of a sensor strap that fits around your chest and a watchlike wrist receiver that displays the information from the sensor strap. With normal use, the battery in your Polar F6 wrist unit can last up to two years before it needs to be replaced.

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  1. Spread an optical cleaning cloth out over a flat work surface such as a desk or table to prevent the face of your Polar F6 from being scratched while you replace its battery. Lay the Polar F6 face down on the cloth.

  2. Remove the four screws that hold the Polar F6's back cover in place. Set the screws and back cover aside until your repairs are complete.

  3. Pull the internal watch unit free of the watch casing. After you've removed the Polar F6 back cover, the internal watch unit should easily slide out.

  4. Use an optical-sized flathead screwdriver to pry up the metal strap that holds the Polar F6 battery in place.

  5. Pry out the dead battery out of the Polar F6's battery compartment and discard it.

  6. Snap the replacement watch battery into the Polar F6's battery compartment. Replace the metal battery strap to hold the replacement battery in place.

  7. Replace the back cover of your Polar F6 wrist unit. Replace and tighten the four small screws to hold the wrist unit's back cover in place.

  8. Tip

    Consult the numbers on the old watch battery to determine what type of replacement battery to purchase. Most models of Polar heart monitor wrist units use CR 2032 batteries that can be purchased from your local jewellery or retail store for less than £3.


    Take care not to damage the back cover's water-resistant seal while replacing your Polar F6 battery. Replacing the battery in your Polar F6 wrist unit can void the unit's warranty. If your Polar F6 is still under warranty, contact Polar customer support to have the unit serviced by a professional.

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Things You'll Need

  • Optical-size Phillips screwdriver
  • Optical-size flathead screwdriver

About the Author

Megan Mattingly-Arthur has been writing professionally since 1998. She has contributed to various publications, including "Teen Voices" and "Positive Teens" magazines, as well as a book, "The Young Writer's Guide to Getting Published." Mattingly-Arthur is studying travel and tourism through Penn Foster Career School.

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