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Try a reset @Sion06 to see if it is a reporting issue.
Link: Reset Blaze
More tips if still discharging faster than 4-5 days:
General battery troubleshooting.
Let us know how it goes!
WmChapman | TX
Ionic, Versa, Blaze, Surge, Charge 2, 3 SE, AltaHR, Flex2, Ace, Aria, iPhoneXR "Every fitbit counts"
Be sure to visit Fitbit help if more help is needed.
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