How to get the battery out of this heart rate monitor? I can't even fit a paper between the battery and the case : r/howto
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COOSPO Bluetooth Heart Rate Monitor Armband ANT+ Heart Rate Monitor Rechargeable HRM Sensor for Peloton Garmin Polar Wahoo Strava Zwift DDP Yoga (One More Free Armband)
Polar Bluetooth Smart Stride Sensor (Footpod) In-Depth Review | DC Rainmaker
Polar Heart Rate Sensor Bluetooth Smart Pink Strap New Battery | eBay
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FITCENT Heart Rate Monitor Armband, Bluetooth ANT+ Optical Heart Rate Sensor Arm Band, Rechargeable Fitness Tracker for Peloton Strava Zwift Polar Beat DDP Yoga Wahoo Fitness Black
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POLAR CADENCE SENSOR BLUETOOTH® SMART Battery replacement - iFixit Repair Guide
POLAR CADENCE SENSOR BLUETOOTH® SMART Battery replacement - iFixit Repair Guide
Amazon.com : COOSPO Heart Rate Monitor Chest Strap H9Z, Bluetooth 5.0 ANT+ Heart Rate Monitor Chest Sensor with Rechargeable Battery, HRM Works with Strava/Wahoo Fitness/Polar Beat/Peloton/Zwift/DDP Yoga App : Sports & Outdoors
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Powr Labs Bluetooth Heart Rate Monitor Armband - China Heart Rate Monitor, Armband Monitor | Made-in-China.com
Polar M400 User Manual | Batteries
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Polar H9 Bluetooth, ANT+ and 5 kHz Coded Heart Rate Sensor
