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Welcome to the Fitbit community, @Glennd75!
Sad to hear that you're having an issue charging your Sense 2.
Please have a closer look here to hopefully be able to troubleshoot this:
Why isn't my Fitbit device's battery charging?
If your device becomes unusually hot while charging, there may be a problem with the battery. In this case please stop charging your Sense 2 and contact the support team for further assistance.
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