Separate Polar H9 sensor from strap for battery life? : r/Polarfitness

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Compatible Sensor: The heart rate monitor replacement soft belt is compatible with Polar H10 H9 H7/Garmin Dual/Wahoo

Heart Rate Monitor Chest Strap Replacement for Polar H10 Polar H9 Polar H7, Adjustable HRM Soft Replacement Chest Strap Compatible with Polar Heart

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Polar H9, Affordable heart rate monitor chest strap

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Polar H9 Heart Rate Sensor – ANT + / Bluetooth - Waterproof HR Monitor with Soft Chest Strap for Gym, Cycling, Running, Outdoor Sports : Sports & Outdoors

Polar H10 Heart Rate Sensor Review: Accurate and Comfortable

Review of the Polar H10 Heart Rate Monitor - Techlicious

Compatible Sensor: The heart rate monitor replacement soft belt is compatible with Polar H10 H9 H7/Garmin Dual/Wahoo

Heart Rate Monitor Chest Strap Replacement for Polar H10 Polar H9 Polar H7, Adjustable HRM Soft Replacement Chest Strap Compatible with Polar Heart