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Heart rate monitor watch battery replacement | watch, battery | Replacing the battery in a polar FT1 watch | By Techsmart Felixstowe | Facebook
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How to get the battery out of this heart rate monitor? I can't even fit a paper between the battery and the case : r/howto
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Amazon.com: Heart Rate Monitor USA Replacement Soft Strap (Works with Polar H7 H9 H10 & More / Works with Garmin Dual) Med/XXL : Everything Else
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