20 Most Recent Polar S150 Heart Rate Monitor Questions & Answers


I managed to get into my Polar T41 chest band by very careful dissecting off the top of the casing (looking at it from the front). Has a removable / replaceable CR 2354 battery, with careful leverage, from that open side.($8 from Amazon)
Going to give it a go for that price and see if it can be brought back to life. Will need a little bit of patching/taping when battery in place - but hey, $8 repair rather than $129 replacement?

Polar S150 Heart... | Answered on Apr 15, 2020


You do not have the right model number. For some reason, Polar puts the CE0537 in big numbers on the back of the case. The real model number on my unit was in very light engraving right above the words "Polar Electro" on the back of the case. Looks like they have an engraving problem where both the model and serial number are very hard to read. If it helps, my model was S120 and I found the manual quickly on the polar site. The polar site also has the location of model numbers in their FAQ area.

Polar S150 Heart... | Answered on Nov 13, 2016


Mine had a Panasonic CR2205 battery in it. I replaced it and Voila!

There is a funky clip holding the battery in place. I used a tiny flat head screw driver and put it in the side where it looked like it fit and the clip popped off enabling me to free the battery.

Happy aerobics!

Polar S150 Heart... | Answered on Feb 14, 2013

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