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08-29-09, 07:52 PM
The screen on my Polar F11 was starting to fade out and the battery symbol was showing 1/3 battery power.
The replacement battery is a 2032 , about $4.00 and take about 25 minutes to replace... versus the $12.95 and 2 weeks without your HRM.
A small screwdriver is about all you need. I cleaned it up while it was apart.
Anyway, should save you a couple of bucks and not leave you without your HRM.
If you need some step by step help, this website might help:
http://timlaqua.com/2008/09/how-to-replace-the-battery-in-a-polar-f11-heart-rate-monitor-hrm/comment-page-2/#comment-1923
The replacement battery is a 2032 , about $4.00 and take about 25 minutes to replace... versus the $12.95 and 2 weeks without your HRM.
A small screwdriver is about all you need. I cleaned it up while it was apart.
Anyway, should save you a couple of bucks and not leave you without your HRM.
If you need some step by step help, this website might help:
http://timlaqua.com/2008/09/how-to-replace-the-battery-in-a-polar-f11-heart-rate-monitor-hrm/comment-page-2/#comment-1923