Fitbit Charge 5 Charge 6 FB421 G3MP5 65mAh Battery Replacement Parts Repair Part:Battery + Repair Kit This headband will have a

This headband will have a new wire strung within a headband

This repair requires full watch disassembly

No power even with a known good battery and boards

1x OEM Sennheiser Momentum 4 Wireless Battery AHB413645PCT 700mAh with 3M tape

Fitbit Charge 5 Charge 6 FB421 G3MP5 65mAh Battery Replacement Parts Repair Part:Battery + Repair Kit This headband will have aA fitness tracker that dies before your run does is just an expensive bracelet, and this battery gets it counting steps again. This is a new aftermarket 65mAh replacement battery for the Fitbit Charge 5 and Charge 6, built to bring a tired or swollen cell back to full runtime. Brand: Fitbit compatible, aftermarket Condition: New Fits Models: Fitbit Charge 5 (FB421), Fitbit Charge 6 (G3MP5) Key Features: New aftermarket replacement battery 65mAh