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FITBIT FB521 Battery Replacement

Power up your device with the Fitbit FB521 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 FB521 Compatible with Fitbit Sense 2 / Versa4 Smartwatch

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Price: £18.88 £26.97
  • Model: FB521
  • SKU: 25BA0106_Oth
  • Availability: In Stock
  • Capacity: 162mAh/0.627WH
  • Voltage: 3.87V
  • Type: Li-ion
  • Color: White
  • Size: *mm(L x W x H)
  • 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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