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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!

  • Garmin Fenix 5s Plus Fenix 5X Fenix 5X Running Replacement Battery-main
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    Garmin Fenix 5s Plus Fenix 5X Fenix 5X Running Smart Watch Replacement Battery

    INFO This is a replacement compatible with a Garmin Smart Watch Battery Volts: 3.8V (3.8 Volts) Capacity: 410mAh (0.41Ah) Type: Li-Polymer Color: B...

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    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • Garmin Fenix 3 Fenix 3 HR Replacement Battery-main
    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99

    Garmin Fenix 3 Fenix 3 HR Smart Watch Replacement Battery

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

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    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99
  • Garmin Approach S60 Fenix 5 Smart Watch Replacement Battery-main
    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99

    Garmin Approach S60 Fenix 5 230mAh Smart Watch Replacement Battery

    INFO This is a replacement compatible with a Garmin Smart Watch Battery Volts: 3.7V (3.7 Volts) Capacity: 230mAh (0.23Ah) Type: Li-Polymer Color: B...

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    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99
  • Samsung Gear 1 SM-V700 Replacement Battery-main
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    Samsung Gear 1 SM-V700 Smart Watch Replacement Battery

    INFO This is a replacement compatible with a Samsung Smart Watch Battery Volts: 3.7V (3.7 Volts) Capacity: 250mAh (0.25Ah) Type: Li-Polymer Color: ...

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    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • Garmin Approach S1 Approach S3 Approach S4 Forerun Replacement Battery-main
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    Garmin Approach S1 Approach S3 Approach S4 Forerunner 110 Forerunner 210 Forerunner 210W Forerunner S1 Forerunner S1W Smart Watch Replacement Battery

    INFO 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: Black ...

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    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • Samsung Galaxy Gear S R750 Gear S SM-R750A SM-R750 Replacement Battery-main
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    Samsung Galaxy Gear S R750 Gear S SM-R750A SM-R750B SM-R750D SM-R750P SM-R750R4 SM-R750V SM-V750 Smart Watch Replacement Battery

    INFO This is a replacement compatible with a Samsung Smart Watch Battery Volts: 3.7V (3.7 Volts) Capacity: 170mAh (0.17Ah) Type: Li-Polymer Color: ...

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    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • Garmin Vivoactive 3 Replacement Battery-main
    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99

    Garmin Vivoactive 3 Smart Watch Replacement Battery

    INFO This is a replacement compatible with a Garmin Smart Watch Battery Volts: 3.7V (3.7 Volts) Capacity: 160mAh (0.16Ah) Type: Li-Polymer Color: B...

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    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99
  • Garmin Forerunner 920XT Replacement Battery-main
    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99

    Garmin Forerunner 920XT Smart Watch Replacement Battery

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

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    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99
  • Samsung Gear 2 Gear 2 Neo SM-R380 SM-R381 Replacement Battery-main
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    Samsung Gear 2 Gear 2 Neo SM-R380 SM-R381 Smart Watch Replacement Battery

    INFO This is a replacement compatible with a Samsung Smart Watch Battery Volts: 3.7V (3.7 Volts) Capacity: 250mAh (0.25Ah) Type: Li-Polymer Color: ...

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    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • T-Mobile SyncUP Kids Smart Watch Replacement Battery
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79

    T-Mobile SyncUP Kids Smart Watch Replacement Battery

    INFO This is a replacement compatible with a T-Mobile Smart Watch Battery Volts: 3.85V (3.85 Volts) Capacity: 490mAh (0.49Ah) Type: Li-Polymer Colo...

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    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79
  • Garmin Forerunner 45 Smart Watch Replacement Battery
    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99

    Garmin Forerunner 45 Smart Watch Replacement Battery

    INFO This is a replacement compatible with a Garmin Smart Watch Battery Volts: 3.8V (3.8 Volts) Capacity: 70mAh (0.07Ah) Type: Li-Polymer Color: Bl...

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    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99
  • Fitbit FB504 FB505 Versa Replacement Battery-main
    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89

    Fitbit FB504 FB505 Versa Smart Watch Replacement Battery

    INFO This is a replacement compatible with a Fitbit Smart Watch Battery Volts: 3.85V (3.85 Volts) Capacity: 150mAh (0.15Ah) Type: Li-Polymer Color:...

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    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89
  • Garmin Vivoactive HR Replacement Battery-main
    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99

    Garmin Vivoactive HR Smart Watch Replacement Battery

    INFO This is a replacement compatible with a Garmin Smart Watch Battery Volts: 3.7V (3.7 Volts) Capacity: 180mAh (0.18Ah) Type: Li-Polymer Color: B...

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    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99
  • Garmin 010-01959-00 Approach G10 Forerunner 220 Fo Replacement Battery-main
    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99

    Garmin 010-01959-00 Approach G10 Forerunner 220 Forerunner 225 Forerunner 235 Forerunner 630 Forerunner 735XT GRM03717 Smart Watch Replacement Battery

    INFO This is a replacement compatible with a Garmin Smart Watch Battery Volts: 3.7V (3.7 Volts) Capacity: 180mAh (0.18Ah) Type: Li-Polymer Color: B...

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    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99
  • Fitbit Versa 3 Smart Watch Replacement Battery
    $27.29 - $27.29
    $27.29
    $27.29 - $27.29
    $27.29

    Fitbit Versa 3 Smart Watch Replacement Battery

    INFO This is a replacement compatible with a Fitbit Smart Watch Battery Volts: 3.85V (3.85 Volts) Capacity: 260mAh (0.26Ah) Type: Li-Polymer Color:...

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    $27.29 - $27.29
    $27.29
    $27.29 - $27.29
    $27.29
  • Amazfit T-Rex Smart Watch Replacement Battery
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79

    Amazfit T-Rex Smart Watch Replacement Battery

    INFO This is a replacement compatible with a Amazfit Smart Watch Battery Volts: 3.8V (3.8 Volts) Capacity: 390mAh (0.39Ah) Type: Li-Polymer Color: ...

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    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79
  • Garmin Vivoactive Replacement Battery-main
    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99

    Garmin Vivoactive Smart Watch Replacement Battery

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

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    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99
  • Fitbit Blaze FB502 Replacement Battery-main
    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99

    Fitbit Blaze FB502 Smart Watch Replacement Battery

    INFO This is a replacement compatible with a Fitbit Smart Watch Battery Volts: 3.7V (3.7 Volts) Capacity: 160mAh (0.16Ah) Type: Li-Polymer Color: B...

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    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99
  • Samsung Galaxy Watch 46mm SM-R800 SM-R805 Replacement Battery-main
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    Samsung Galaxy Watch 46mm SM-R800 SM-R805 Smart Watch Replacement Battery

    INFO This is a replacement compatible with a Samsung Smart Watch Battery Volts: 3.85V (3.85 Volts) Capacity: 450mAh (0.45Ah) Type: Li-Polymer Color...

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    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • Suunto Ambit 1 Ambit 2 Ambit 2S Ambit 3 Replacement Battery-main
    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99

    Suunto Ambit 1 Ambit 2 Ambit 2S Ambit 3 Smart Watch Replacement Battery

    INFO This is a replacement compatible with a Suunto Smart Watch Battery Volts: 3.7V (3.7 Volts) Capacity: 240mAh (0.24Ah) Type: Li-Polymer Color: B...

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    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99
  • Sony SmartWatch 3 SWR50 Replacement Battery-main
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79

    Sony SmartWatch 3 SWR50 Smart Watch Replacement Battery

    INFO This is a replacement compatible with a Sony Smart Watch Battery Volts: 3.7V (3.7 Volts) Capacity: 280mAh (0.28Ah) Type: Li-Polymer Color: Bla...

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    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79
  • Pebble 401S E-Paper Pebble Steel Watch 2 Replacement Battery-main
    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99

    Pebble 401S E-Paper Pebble Steel Watch 2 Smart Watch Replacement Battery

    INFO This is a replacement compatible with a Pebble Smart Watch Battery Volts: 3.7V (3.7 Volts) Capacity: 130mAh (0.13Ah) Type: Li-Polymer Color: B...

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    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99
  • Fitbit Luxe Smart Watch Replacement Battery
    $23.59 - $23.59
    $23.59
    $23.59 - $23.59
    $23.59

    Fitbit Luxe Smart Watch Replacement Battery

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

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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

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

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    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89