Amazon.com: Synergy Digital Smartwatch Battery, Works with FitBit Blaze Smartwatch, (Li-Pol, 3.7V, 120 mAh) Ultra Hi-Capacity, Compatible with FitBit Blaze Battery : Cell Phones & Accessories
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
Fitbit Blaze Review » JaypeeOnline
Battery draining Blaze - Fitbit Community
How to replace the battery on a Fitbit Blaze (fixes overheating issue) - YouTube
Original Replacement Battery LSSP321830AE For Fitbit Ionic Smart Sports Watch Fitbit Blaze FB502 LSSP321830 Watch Battery
How to replace the battery on a Fitbit Blaze (fixes overheating issue) - YouTube
167mAh Original Battery For Fitbit Blaze Smart Fitness Watch LSSP321830AE FB502 | eBay