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.
These 3 volt lithium button cell batteries by Energizer do a great job in my remote control for a small portable DVD player I use when I'm travelling and want to watch a movie. They fit into the remote without a hitch and they last a good long time, too.
I highly recommend these batteries by Energizer for use in remote controls like mine and any other product that requires this type of 3 volt battery. If you use these and you catch a sale on them, stock up!
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. - Cr2025 - Polar - Wearlink - Energizer'
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