A 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 capacity, 3.87V, 0.252Wh
- Shared battery fits both the Charge 5 and the Charge 6
- Restores full battery runtime on a tired or swollen cell
- Available as battery only or bundled with a full repair kit
What’s Included, Battery Only
- 1 x Fitbit Charge 5 and Charge 6 65mAh Battery
What’s Included, Battery Plus Repair Kit
- 1 x Fitbit Charge 5 and Charge 6 65mAh Battery
- 1 x 1.5mm Phillips Screwdriver
- 1 x Screen Pry Tool
- 1 x Nylon Spudger
- 1 x 10ML Cold Press Glue
Installation Notes
Moderate difficulty. No soldering required. The battery connects by a plug on its short flex that seats into the board once the old cell is removed. Opening the tracker requires heat, pry tools, and patience, and the case is resealed with adhesive afterward. The repair kit option includes the disassembly tools and glue you need for the job. This is a repair part best suited to a careful, experienced hand.
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