162mAh SP282024 Battery Replacement Compatible with Fitbit Sense 2 Fitness Smartwatch FB521

Replacement for the Following Battery Model/Part Numbers: SP282024. Intended for/Compatible with the Following Smartwatch Models: Fitbit Sense 2, FB521, FB521BKGB, FB521GLBM, FB521SRWT, FB521BKGB-US, FB521GLBM-US, FB521SRWT-US. 3.7V(3.87V) 162mAh 0.627Wh Lithium-Polymer Rechargeable Battery Pack. Includes Free Installation Tools. 1 Year Replacement Warranty. MPF Products® is a Registered Trademark.