Polar H9 Heart Rate Sensor

4.2
9,781 ratings

Polar's value chest strap. H10 accuracy without the multi-device or memory mode. Dual Bluetooth + ANT+ at half the price.

Polar Polar H9 Heart Rate Sensor product photo
85
Excellent
How we score

Gym Score breakdown

Composite of build quality, durability, value, performance, and owner satisfaction. Calibrated per category.

Value82
Owner Satisfaction89

Strengths

  • + Dual Bluetooth + ANT+
  • + Same chest-strap accuracy as H10
  • + Long battery life

Weaknesses

  • No internal memory (vs H10)
  • Single connection at a time
  • Strap wears after ~2 years

Buyer sentiment

Mixed feedback on reliability and connectivity. Some flag battery life.

Battery Life

Based on 1,162 user mentions

Full specs

Connectivity
Bluetooth + ANT+
Battery
Up to 400 hr CR2025
Water Resistance
30m
Polar H9 Heart Rate Sensor
$69
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