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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
    $18.29 - $18.29
    $18.29
    $18.29 - $18.29
    $18.29

    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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    $18.29 - $18.29
    $18.29
    $18.29 - $18.29
    $18.29
  • Garmin Fenix 3 Fenix 3 HR Replacement Battery-main
    $13.49 - $13.49
    $13.49
    $13.49 - $13.49
    $13.49

    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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    $13.49 - $13.49
    $13.49
    $13.49 - $13.49
    $13.49
  • Samsung Gear 1 SM-V700 Replacement Battery-main
    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39

    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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    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39
  • 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
    $13.49 - $13.49
    $13.49
    $13.49 - $13.49
    $13.49

    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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    $13.49 - $13.49
    $13.49
    $13.49 - $13.49
    $13.49
  • Garmin Vivoactive 3 Replacement Battery-main
    $13.49 - $13.49
    $13.49
    $13.49 - $13.49
    $13.49

    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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    $13.49 - $13.49
    $13.49
    $13.49 - $13.49
    $13.49
  • 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
    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39

    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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    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39
  • T-Mobile SyncUP Kids Smart Watch Replacement Battery
    $20.89 - $20.89
    $20.89
    $20.89 - $20.89
    $20.89

    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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    $20.89 - $20.89
    $20.89
    $20.89 - $20.89
    $20.89
  • Samsung Gear 2 Gear 2 Neo SM-R380 SM-R381 Replacement Battery-main
    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39

    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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    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39
  • Fitbit FB504 FB505 Versa Replacement Battery-main
    $19.19 - $19.19
    $19.19
    $19.19 - $19.19
    $19.19

    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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    $19.19 - $19.19
    $19.19
    $19.19 - $19.19
    $19.19
  • Garmin 010-01959-00 Approach G10 Forerunner 220 Fo Replacement Battery-main
    $13.49 - $13.49
    $13.49
    $13.49 - $13.49
    $13.49

    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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    $13.49 - $13.49
    $13.49
    $13.49 - $13.49
    $13.49
  • Garmin Vivoactive HR Replacement Battery-main
    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39

    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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    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39
  • Amazfit T-Rex Smart Watch Replacement Battery
    $20.89 - $20.89
    $20.89
    $20.89 - $20.89
    $20.89

    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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    $20.89 - $20.89
    $20.89
    $20.89 - $20.89
    $20.89
  • Suunto Ambit 1 Ambit 2 Ambit 2S Ambit 3 Replacement Battery-main
    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39

    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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    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39
  • Fitbit Versa 3 Smart Watch Replacement Battery
    $18.29 - $18.29
    $18.29
    $18.29 - $18.29
    $18.29

    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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    $18.29 - $18.29
    $18.29
    $18.29 - $18.29
    $18.29
  • Fitbit Blaze FB502 Replacement Battery-main
    $13.49 - $13.49
    $13.49
    $13.49 - $13.49
    $13.49

    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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    $13.49 - $13.49
    $13.49
    $13.49 - $13.49
    $13.49
  • Samsung Watch 5 40mm SM-R900 SM-R905 270mAh Smart Watch Replacement Battery
    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39

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

    INFO This is a replacement compatible with a Samsung Smart Watch Battery Volts: 3.88V (3.88 Volts) Capacity: 270mAh (0.27Ah) Type: Li-Polymer Color...

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    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39
  • Samsung Galaxy Watch 46mm SM-R800 SM-R805 Replacement Battery-main
    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39

    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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    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39
  • Garmin Instinct Solar GPS Smart Watch Replacement Battery
    $13.49 - $13.49
    $13.49
    $13.49 - $13.49
    $13.49

    Garmin Instinct Solar GPS Smart Watch Replacement Battery

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

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    $13.49 - $13.49
    $13.49
    $13.49 - $13.49
    $13.49
  • 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
    $18.29 - $18.29
    $18.29
    $18.29 - $18.29
    $18.29

    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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    $18.29 - $18.29
    $18.29
    $18.29 - $18.29
    $18.29
  • Sony SmartWatch 3 SWR50 Replacement Battery-main
    $20.89 - $20.89
    $20.89
    $20.89 - $20.89
    $20.89

    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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    $20.89 - $20.89
    $20.89
    $20.89 - $20.89
    $20.89
  • 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
  • Garmin Fenix 5S Fenix 5S Plus Smart Watch Replacement Battery
    $18.29 - $18.29
    $18.29
    $18.29 - $18.29
    $18.29

    Garmin Fenix 5S Fenix 5S Plus 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...

    View full details
    $18.29 - $18.29
    $18.29
    $18.29 - $18.29
    $18.29