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FITBIT FB421 Battery Replacement

Power up your device with the Fitbit FB421 battery — engineered for compatibility, performance, and long-lasting reliability. Batteryshop.org.uk offers a wide range of trusted battery models to keep your gear running smoothly.

Battery FB421 Compatible with Fitbit Charge 5 FB421 Activity Tracker

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Price: £21.00 £30.00
  • Model: FB421
  • SKU: ECN12822_Oth
  • Availability: In Stock
  • Capacity: 65mAh/0.252Wh
  • Voltage: 3.87V
  • Type: Li-ion
  • Color: Black
  • Our batteries are 100% new and CE / FCC / RoHS certified for safety
  • We only use high quality materials and grade A cells to guarantee real capacity and higher recharge cycles.
  • Quick, friendly and hassle-free customer support and a full one-year warranty: if something goes wrong, we are at your disposal.
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£21.00 £30.00

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