Polar H10 - Heart Rate Monitor Low Battery

Error/Warning Message:

Heart rate monitor battery is less than 5%. Replace it soon. 

What Triggered This Message?:

When the heart rate monitor is connected and the app detects a battery level of less than 5%.

Solution:

• Remove the battery cover on the H10 puck
• Remove the CR2025 battery
• Insert a new CR2025 battery
• Replace the battery cover on the H10 puck