Energizer CR2025 Battery for Polar H7 I Wearlink Models

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Compatible with any type of pedometer, heart rate monitor transmitters, calculator, electronic notebook, PC card, medical equipment and memory back-up power sources that use a CR20 25 battery. Check your product's manual to verify. Also compatible with Polar Wearlink, Polar H7, Wearlink Nike+, Wearlink Bluetooth, Wearlink Hybrid chest transmitters. Show more