For anyone who has been using these, how do the the batteries hold up? I was all excited to buy some until I saw they use CR2477, which looking on Amazon, are $5+ a battery. I have the first gen sensors and they use really cheap batteries (CR2032 I think), but if these new ones eat batteries, that would be an expensive habit. I find the first gen last a good while. Long enough I have never tracked, but I’d say at least a year or more. If these are at least as good as those then I’m probably good to get a couple.
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