Replacement Battery for Fitbit Blaze, FB502 : Amazon.ca: Electronics
Solved: Blaze not charging - Fitbit Community
How to Turn Off a Fitbit Blaze to Conserve Its Battery
I bought my Fitbit Blaze (remember those?) in 2016. Battery is on its last legs. I will be heartbroken when it's time to retire this bad boy. : r/ fitbit