Hey fellow athletes. If you are using one of the new coded Polar WearLink chest straps, it has replaceable batteries. This is the one you want, and not the standard CR 2025, which is much more common. The size is just different enough that the CR 2025 will not work (trust me!).
Battery works well (of course- its a Energizer) and the chest strap is working like a charm again. Plus the two pack given you a spare for the future. They are pricey little buggers though. Energizer 2025BP-2 Lithium Button Cell Battery (2 Pack)
the batteries are not as pictured. In fact, they are not even in a retail packaging. They are old batteries also.. manufactured in 2006.. I am not sure what the shelf-life is for this battery.
There isn't an expiration date on these.
Item arrived fairly quickly.
Item is not packaged like the image shown. I will post pics.
Item does not have printed expiration date even though website description claims an expiration date, which is concerning.
Convenient, cheap, easy to replace, and these seem to last a long time... What more do you want? I needed them for my speaker remote control, and if you have a product that uses this size I would recommend ordering these as soon as possible - when a store sends you an electronic with a battery already in it often they are really bad batteries and will be dead soon anyway.
They're batteries... They work... end of story.
They were the right kind, and they came quickly... the packaging was completely excessive (an envelope would have done instead of an enormous box (relative to the size of its contents)... but nonetheless, they came, they worked, and now so does my projector remote.'
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