Polar H9 Heart Rate Monitor

Polar H9 Heart Rate Monitor

"Polar H9 is a high quality and comfortable chest strap giving incredibly accurate heart rate measurement along with calorie burn."


 Free Shipping and Returns

 2-3 Day Delivery

 Questions? Live Chat or Call 0333 335 5026

 2 Year Warranty


Key Features

Precise training data

The chest strap is placed close to your heart for accurate and responsive heart rate readings allowing you to observe the slightest change in performance. The H9 also gives calorie burn to help you replenish your energy stores, aiding recovery after training. 

Training feedback & fitness tests

Use your H9 with the Polar Beat app to get goal specific feedback on the benefits you received from each session as well as fitness tests including running V02 max and calorie tracking to optimise your training. 

Avoid overtraining

The Polar Orthostatic test analyses your heart rate and heart rate variability to provide advice on your training and recovery balance.(Requires a compatible Polar sports watch)

Connect to multiple devices 

Thanks to Bluetooth and ANT+ connectivity you can link your H9 with multiple devices. This allows you to sync not just with your Polar watch but any other training device you choose to enhance your workout.

Fitness apps & device connectivity 

H9 connects to many of your favourite training apps as well as bike computers, sports watches and other training tools.

  • Reviews
  • Tech Specs
  • Warranty

Tech Specs

Compatibility: iOS mobile devices: iPhone 5s and later, with iOS 12 or later; Android mobile devices with Bluetooth 4.0 capability and Android 6.0 or later. 

Battery life: 400 hours with Bluetooth Low Energy, ANT+ and 5 kHz transmission active

Battery type: CR 2025

Connector size: 34mm x 65mm x 10 mm

Weight: Connector 21g (0.74 oz), strap 39g (1.38 oz)

Materials: Connector: ABS, ABS + GF, PC, Stainless steel. Strap: 38% Polyamide, 29% Polyurethane, 20% Elastane, 13% Polyester

Water resistant: 30m (Suitable for swimming)

Operating temperature: -10 °C to +50 °C / 14 °F to 122 °F



  • Polar Electro Oy issues a limited international guarantee for Polar products. For products which have been sold in the USA or Canada, guarantee is issued by Polar Electro, Inc.
  • Polar Electro Oy/Polar Electro Inc. guarantees the original consumer/purchaser of the Polar product that the product will be free from defects in material or workmanship for two (2) years from the date of purchase, with the exception of wristbands made of silicone or plastic, which are subject to a guarantee period of one (1) year from the date of purchase.
  • The guarantee does not cover normal wear and tear of the battery, or other normal wear and tear, damage due to misuse, abuse, accidents or non-compliance with the precautions; improper maintenance, commercial use, cracked, broken or scratched cases/displays, textile armband or textile or leather wristband, elastic strap (e.g. heart rate sensor chest strap) and Polar apparel.
  • The guarantee does also not cover any damage/s, losses, costs or expenses, direct, indirect or incidental, consequential or special, arising out of, or related to the product.
  • Guarantee does not cover products which have been purchased second hand.
  • During the guarantee period, the product will be either repaired or replaced at any authorized Polar Central Service regardless of the country of purchase.
  • Guarantee issued by Polar Electro Oy/Inc. does not affect the consumer’s statutory rights under applicable national or state laws in force, or the consumer’s rights against the dealer arising from their sales/purchase contract.
  • You should keep the receipt as a proof of purchase!
  • Guarantee with respect to any product will be limited to countries where the product has been initially marketed by Polar Electro Oy/Inc.