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Genuine Polar Battery Kit with Battery Cover for Polar FT4 and Polar FT7 Watches + Extra Heart Rate Sensor Battery Kit

This genuine Polar battery kit offers exceptional value, as it includes a watch battery cover and an extra J. Steinway battery kit for the heart rate sensor strap.
Genuine Polar Battery Kit with Battery Cover for Polar FT4 and FT7 Watches + Extra Heart Rate Sensor Battery Kit