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BatteryClerk Prime FAST 1-2 day shipping to most of the USA
BatteryClerk Prime FAST 1-2 day shipping to most of the USA

Smart Watch Batteries

Keep your smartwatch running like new with BatteryClerk’s premium selection of replacement batteries! We offer high-quality, compatible batteries for top brands like Samsung, Garmin, and Asus, ensuring your device stays powered throughout the day. Whether you need a battery replacement for fitness tracking, notifications, or everyday convenience, our reliable solutions deliver long-lasting performance. Explore our collection today and give your smartwatch the power boost it deserves!

  • Fitbit Luxe Smart Watch Replacement Battery
    $23.59 - $23.59
    $23.59
    $23.59 - $23.59
    $23.59

    Fitbit Luxe Smart Watch Replacement Battery

    INFORMATION This is a replacement compatible with a Fitbit Smart Watch Battery Volts: 3.87V (3.87 Volts) Capacity: 50mAh (0.05Ah) Type: Li-Polymer ...

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    $23.59 - $23.59
    $23.59
    $23.59 - $23.59
    $23.59
  • Samsung Galaxy Watch3 45mm SM-R840 SM-R845 Replacement Battery-main
    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89

    Samsung Galaxy Watch3 45mm SM-R840 SM-R845 Smart Watch Replacement Battery

    INFORMATION This is a replacement compatible with a Samsung Smart Watch Battery Volts: 3.85V (3.85 Volts) Capacity: 330mAh (0.33Ah) Type: Li-Polyme...

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    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89
  • Garmin Instinct Solar GPS Smart Watch Replacement Battery
    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99

    Garmin Instinct Solar GPS Smart Watch Replacement Battery

    INFORMATION This is a replacement compatible with a Garmin Smart Watch Battery Volts: 3.8V (3.8 Volts) Capacity: 200mAh (0.2Ah) Type: Li-Polymer Co...

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    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99
  • Garmin Forerunner 245 Forerunner 245 Music Smart Watch Replacement Battery
    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99

    Garmin Forerunner 245 Forerunner 245 Music Smart Watch Replacement Battery

    INFORMATION This is a replacement compatible with a Garmin Smart Watch Battery Volts: 3.8V (3.8 Volts) Capacity: 170mAh (0.17Ah) Type: Li-Polymer C...

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    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99
  • Tomtom Runner Cardio Replacement Battery-main
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    Tomtom Runner Cardio Smart Watch Replacement Battery

    INFORMATION This is a replacement compatible with a Tomtom Smart Watch Battery Volts: 3.8V (3.8 Volts) Capacity: 190mAh (0.19Ah) Type: Li-Polymer C...

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    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • Samsung Galaxy Gear S2 3G Gear S2 3G SM-R730 SM-R7 Replacement Battery-main
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    Samsung Galaxy Gear S2 3G Gear S2 3G SM-R730 SM-R730A SM-R730S SM-R730T SM-R730V SM-R735 Smart Watch Replacement Battery

    INFORMATION This is a replacement compatible with a Samsung Smart Watch Battery Volts: 3.7V (3.7 Volts) Capacity: 300mAh (0.3Ah) Type: Li-Polymer C...

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    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • Samsung Galaxy Watch Active2 40mm SM-R830 SM-R835 Replacement Battery-main
    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89

    Samsung Galaxy Watch Active2 40mm SM-R830 SM-R835 Smart Watch Replacement Battery

    INFORMATION This is a replacement compatible with a Samsung Smart Watch Battery Volts: 3.85V (3.85 Volts) Capacity: 220mAh (0.22Ah) Type: Li-Polyme...

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    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89
  • Samsung Gear S3 Classic Gear S3 classic LTE Gear S Replacement Battery-main
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    Samsung Gear S3 Classic Gear S3 classic LTE Gear S3 Frontier Gear S3 frontier LTE Gear S3 Frontier SM-R760 SM-R760 SM- Smart Watch Replacement Battery

    INFORMATION This is a replacement compatible with a Samsung Smart Watch Battery Volts: 3.85V (3.85 Volts) Capacity: 350mAh (0.35Ah) Type: Li-Polyme...

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    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • Apple A1976 Watch Series 4 44mm Replacement Battery-main
    $23.59 - $23.59
    $23.59
    $23.59 - $23.59
    $23.59

    Apple A1976 Watch Series 4 44mm Smart Watch Replacement Battery

    INFORMATION This is a replacement compatible with a Apple Smart Watch Battery Volts: 3.82V (3.82 Volts) Capacity: 290mAh (0.29Ah) Type: Li-Polymer ...

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    $23.59 - $23.59
    $23.59
    $23.59 - $23.59
    $23.59
  • Garmin Approach S1 Forerunner 110 Forerunner 210 F Replacement Battery-main
    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89

    Garmin Approach S1 Forerunner 110 Forerunner 210 Forerunner 210W Forerunner 610 Forerunner S1 Forerunner S1W Smart Watch Replacement Battery

    INFORMATION This is a replacement compatible with a Garmin Smart Watch Battery Volts: 3.7V (3.7 Volts) Capacity: 200mAh (0.2Ah) Type: Li-ion Color:...

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    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89
  • Garmin Venu 2 Smart Watch Replacement Battery
    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89

    Garmin Venu 2 Smart Watch Replacement Battery

    INFORMATION This is a replacement compatible with a Garmin Smart Watch Battery Volts: 3.85V (3.85 Volts) Capacity: 210mAh (0.21Ah) Type: Li-Polymer...

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    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89
  • Fitbit Charge 5 Smart Watch Replacement Battery
    $25.49 - $25.49
    $25.49
    $25.49 - $25.49
    $25.49

    Fitbit Charge 5 Smart Watch Replacement Battery

    INFORMATION This is a replacement compatible with a Fitbit Smart Watch Battery Volts: 3.87V (3.87 Volts) Capacity: 65mAh (0.065Ah) Type: Li-Polymer...

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    $25.49 - $25.49
    $25.49
    $25.49 - $25.49
    $25.49
  • Samsung Galaxy Watch 42mm SM-R810 SM-R815 Replacement Battery-main
    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89

    Samsung Galaxy Watch 42mm SM-R810 SM-R815 Smart Watch Replacement Battery

    INFORMATION This is a replacement compatible with a Samsung Smart Watch Battery Volts: 3.85V (3.85 Volts) Capacity: 250mAh (0.25Ah) Type: Li-Polyme...

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    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89
  • Fitbit Charge 2 Replacement Battery-main
    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99

    Fitbit Charge 2 Smart Watch Replacement Battery

    INFORMATION This is a replacement compatible with a Fitbit Smart Watch Battery Volts: 3.7V (3.7 Volts) Capacity: 60mAh (0.06Ah) Type: Li-Polymer Co...

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    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99
  • Samsung Gear Live SM-R382 Replacement Battery-main
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79

    Samsung Gear Live SM-R382 Smart Watch Replacement Battery

    INFORMATION This is a replacement compatible with a Samsung Smart Watch Battery Volts: 3.7V (3.7 Volts) Capacity: 220mAh (0.22Ah) Type: Li-Polymer ...

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    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79
  • Garmin Fenix 5S Fenix 5S Plus Smart Watch Replacement Battery
    $24.69 - $24.69
    $24.69
    $24.69 - $24.69
    $24.69

    Garmin Fenix 5S Fenix 5S Plus Smart Watch Replacement Battery

    INFORMATION This is a replacement compatible with a Garmin Smart Watch Battery Volts: 3.7V (3.7 Volts) Capacity: 150mAh (0.15Ah) Type: Li-Polymer C...

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    $24.69 - $24.69
    $24.69
    $24.69 - $24.69
    $24.69
  • Garmin Tactix 7 fenix 7X Smart Watch Replacement Battery
    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99

    Garmin Tactix 7 fenix 7X Smart Watch Replacement Battery

    INFORMATION This is a replacement compatible with a Garmin Smart Watch Battery Volts: 3.7V (3.7 Volts) Capacity: 300mAh (0.3Ah) Type: Li-Polymer Co...

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    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99
  • Samsung Watch 5 40mm SM-R900 SM-R905 380mAh Smart Watch Replacement Battery
    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89

    Samsung Watch 5 40mm SM-R900 SM-R905 380mAh Smart Watch Replacement Battery

    INFORMATION This is a replacement compatible with a Samsung Smart Watch Battery Volts: 3.88V (3.88 Volts) Capacity: 380mAh (0.38Ah) Type: Li-Polyme...

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    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89
  • Fitbit Surge Replacement Battery-main
    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99

    Fitbit Surge Smart Watch Replacement Battery

    INFORMATION This is a replacement compatible with a Fitbit Smart Watch Battery Volts: 3.7V (3.7 Volts) Capacity: 100mAh (0.1Ah) Type: Li-Polymer Co...

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    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99
  • Casio PRT-2GP Replacement Battery-main
    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99

    Casio PRT-2GP Smart Watch Replacement Battery

    INFORMATION This is a replacement compatible with a Casio Smart Watch Battery Volts: 3.7V (3.7 Volts) Capacity: 320mAh (0.32Ah) Type: Li-Polymer Co...

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    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99
  • Ticwatch Pro 3 Smart Watch Replacement Battery
    $25.49 - $25.49
    $25.49
    $25.49 - $25.49
    $25.49

    Ticwatch Pro 3 Smart Watch Replacement Battery

    INFORMATION This is a replacement compatible with a Ticwatch Smart Watch Battery Volts: 3.85V (3.85 Volts) Capacity: 570mAh (0.57Ah) Type: Li-Polym...

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    $25.49 - $25.49
    $25.49
    $25.49 - $25.49
    $25.49
  • Google Pixel Watch 3 Smart Watch Replacement Battery
    $27.29 - $27.29
    $27.29
    $27.29 - $27.29
    $27.29

    Google Pixel Watch 3 Smart Watch Replacement Battery

    INFORMATION This is a replacement compatible with a Google Smart Watch Battery Volts: 3.88V (3.88 Volts) Capacity: 300mAh (0.3Ah) Type: Li-Polymer ...

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    $27.29 - $27.29
    $27.29
    $27.29 - $27.29
    $27.29
  • Garmin Venu SQ Music Smart Watch Replacement Battery
    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99

    Garmin Venu SQ Music Smart Watch Replacement Battery

    INFORMATION This is a replacement compatible with a Garmin Smart Watch Battery Volts: 3.87V (3.87 Volts) Capacity: 200mAh (0.2Ah) Type: Li-Polymer ...

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    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99
  • Fitbit FB507 Versa 2 Smart Watch Replacement Battery
    $27.29 - $27.29
    $27.29
    $27.29 - $27.29
    $27.29

    Fitbit FB507 Versa 2 Smart Watch Replacement Battery

    INFORMATION This is a replacement compatible with a Fitbit Smart Watch Battery Volts: 3.85V (3.85 Volts) Capacity: 160mAh (0.16Ah) Type: Li-Polymer...

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    $27.29 - $27.29
    $27.29
    $27.29 - $27.29
    $27.29