I'm attempting to replace my ONT battery to make the beeping stop. I attempted to do it both here and through my set, but in both cases I get a message that says "this service is currently not working. Try again later." It's now been 10 days. I give up. My current battery model # is PX12072. However, when I search this site it apparently does not exist. The only one I can find is a GT-12080-HG (and you have to zoom in on the photo to see the model number, as no technical specs are provided). Is this the appropriate replacement for my unit?
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