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Polar RCX3 Heart Rate Monitors
Polar RCX3 Heart Rate Monitors (all variations)
Replacement Battery CR2025 for Polar Heart Rate Monitors & Transmitters
Need a Battery for your Polar watch or transmitter? Please note that Polar T31 or T61 transmitters do not have a user replaceable battery. We recommend replacing those transmitters with the following: T31 Non Coded T31 Coded H1 Transmitter H7...