Battery for Fitbit FB504 FB505 Versa 261827 R-41021555 Smartwatch CS-FTB505SH Compatible with the following devices FB504, FB505, Versa Compatible with Battery Part Numbers 261827, R-41021555

Battery for FitBit Surge LSSP491524AE Smartwatch CS-FTS100SH 3.7v 100mAh / Compatible with the following devices Surge Compatible with Battery Part Numbers LSSP491524AE

Battery for Fitbit Charge 3 FB409 LSS271621 Smartwatch CS-FTC409SH 3.85v 70mAh / Compatible with the following devices Charge 3, FB409 Compatible with Battery Part Numbers LSS271621

Battery for Fitbit Blaze FB502 LSSP321830 Smartwatch CS-FTB002SL 3.7v 160mAh / Compatible with the following devices Blaze, FB502 Compatible with Battery Part Numbers LSSP321830

Battery for Fitbit Alta Activity Alta HR FB407 Smartwatch CS-FTA407SL 3.7v 45mAh Compatible with the following devices Alta Activity, Alta HR Compatible with Battery Part Numbers FB407