Polar welds the case shut to protect it, so you can't change the battery yourself. You must have Polar fix it for you.
4 Steps To Replace The Battery İn A Polar T31 Hrm Chest Strap
1. Make Sure The Battery İs Actually Dead
Occasionally another problem, such as water getting into the transmitter, keeps it from working. Place the monitor in a cool, dry place and check it later to make sure it's the battery.
2. Locate A Polar Dealer İn Your Area
Polar maintains a list on its website of authorized dealers all over the world.
3. Bring Or Send Your T31 To A Polar Dealer
Explain that you think your battery is dead. The company will test the device and let you know whether or not you need a new battery.
4. Purchase Your New Transmitter
The Polar distributor can set the transmitter in the chest strap for you. Polar sells these for $45, but depending on your warranty you might get it cheaper.
Tips & Warnings
Clean your transmitter and store it in a cool place to increase the battery life.
You Might Also Like :: Benefits of Running Bleachers
Save for later
Found this helpful?
Pin this article to your Pinterest board and come back to it whenever you need a reminder.
Save to Pinterest