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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 5X,Fenix 5X Running,Fenix 5X Plus 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
  • Samsung Gear 1 SM-V700 Replacement Battery-main
    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99

    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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    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99
  • Garmin Approach S1 Approach S3 Approach S4 Forerun Replacement Battery-main
    $18.29 - $18.29
    $18.29
    $18.29 - $18.29
    $18.29

    Garmin Forerunner S1,Forerunner S1W,Forerunner 110,Forerunner 210,Forerunner 210W,Approach S1,Approach S3,Approach S4 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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    $18.29 - $18.29
    $18.29
    $18.29 - $18.29
    $18.29
  • Garmin Approach S60 Fenix 5 GPS Replacement Battery-main
    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99

    Garmin Approach S60,Fenix 5,Forerunner 935 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
  • Garmin Vivoactive 3 Replacement Battery-main
    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99

    Garmin Vivoactive 3,Vivoactive 3 Music 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
  • Samsung Galaxy Gear S R750 Gear S SM-R750A SM-R750 Replacement Battery-main
    $18.29 - $18.29
    $18.29
    $18.29 - $18.29
    $18.29

    Samsung Gear S,Galaxy Gear S R750,SM-R750V,SM-R750R4,SM-R750P,SM-R750B,SM-R750D,SM-V750,SM-R750A 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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    $18.29 - $18.29
    $18.29
    $18.29 - $18.29
    $18.29
  • 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
  • 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
  • Samsung Gear 2 Gear 2 Neo SM-R380 SM-R381 Replacement Battery-main
    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99

    Samsung Gear 2,SM-R380,SM-R381,Gear 2 Neo 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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    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99
  • 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 Versa,FB504,FB505 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 010-01959-00 Approach G10 Forerunner 220 Fo Replacement Battery-main
    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99

    Garmin Forerunner 225,Forerunner 235,Forerunner 630,Forerunner 735XT,GRM0371754,Approach G10,010-01959-00,Forerunner 2 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
  • 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
  • Fitbit Versa 3 Smart Watch Replacement Battery
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    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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    $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 3,Ambit 2S,Traverse,Ambit 3 HR 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
  • 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
  • Amazfit T-Rex Smart Watch Replacement Battery
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79

    Amazfit T-Rex,T-Rex PRO 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
  • Samsung Galaxy Watch 46mm SM-R800 SM-R805 Replacement Battery-main
    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99

    Samsung SM-R800,SM-R805,Galaxy Watch 46mm 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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    $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
  • Samsung SM-R880 SM-R880N Galaxy Watch 4 40mm SM-R885 SM-R885U SM-R880NZSAXAA SM-R880NZKAXAA Galaxy Watch4 Classic 42mm Smart Watch Replacement Battery
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    Samsung SM-R880,SM-R880N,Galaxy Watch 4 40mm,SM-R885,SM-R885U,SM-R880NZSAXAA,SM-R880NZKAXAA,Galaxy Watch4 Classic 42mm Smart Watch Replacement Battery

    INFO This is a replacement compatible with a Samsung Smart Watch Battery Volts: 3.88V (3.88 Volts) Capacity: 240mAh (0.24Ah) Type: Li-Polymer Color...

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    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • 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

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

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    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99
  • Pebble 401S E-Paper Pebble Steel Watch 2 Replacement Battery-main
    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39

    Pebble E-Paper,Pebble Steel,Watch 2,401S 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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    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39
  • 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

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

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    $25.49 - $25.49
    $25.49
    $25.49 - $25.49
    $25.49