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The Polar H10/H9/H7 heart rate sensor has a user changeable battery. Average battery lifetime of a heart rate sensor can be found in the product user manual. You can change the sensor battery yourself. If you'd like help, please contact your closest Polar Service Center to have it changed for you.
This video shows you how to change the heart rate sensor battery.All of Polar's chest straps in our current selection have user changeable batteries.
How to replace battery on Polar T31 and T31C (HRM) Heart Rate Monitor.
19 Σεπ 2007 · 2. After cutting it open like a clamshell, you'll see a black plastic cover in the front. 3. You'll need to remove the three small screws in the back to remove the cover and expose the battery. 4. Remove the plastic cover and the old battery. Don't lose the gold leads. 5. Replace with a new 2032 battery.
12 Σεπ 2006 · The symptoms are those of a drained battery. You can replace it yourself, it's like any regular watch with a special waterproof o-ring. Take care of the o-ring and ensure it is where it should before closing the case. After a few years it will wear off and you'll have to get it replaced. This for bike use.
2 Μαΐ 2008 · Step 1, Use an exacto knife and very carefully remove the skin in the rectangle around the polar emblem exposing the transmitter coil and molded plastic above the battery compartment. Step 2, Using the exacto knife carve a “nickel sized, 13/16” or 32cm” circle in the molded plastic over the battery..
28 Οκτ 2021 · Determine if you have a Polar H7 Module or a Polar H9 Module on your heart rate monitor. The Polar H9 Module has a grey label. The Polar H7 Module is black and has Bluetooth smart written underneath the Polar logo. Both modules uses a simple watch battery (CR 2025, 3V) that can be easily replaced.
