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Fitbit Alta HR Battery Replacement

Introduction

This is a guide to replace the battery in the Fitbit Alta HR fitness tracker.

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  1. Fitbit Alta HR Battery Replacement, Remove straps: étape 1, image 1 de 2 Fitbit Alta HR Battery Replacement, Remove straps: étape 1, image 2 de 2

    • Push in the clip and slide off the strap from each side.

    Modifier

  2. Fitbit Alta HR Battery Replacement, Remove front cover: étape 2, image 1 de 1

    • Use a spudger to remove the front cover.

    Modifier

  3. Fitbit Alta HR Battery Replacement, Lift display: étape 3, image 1 de 1

    • Use a spudger to lift the display.

    Modifier

  5. Fitbit Alta HR Battery Replacement, Disconnect heart rate monitor: étape 4, image 1 de 1

    • Use a spudger to disconnect the cable that connects the heart rate monitor to the motherboard.

    Modifier

  6. Fitbit Alta HR Battery Replacement, Remove screws from motherboard: étape 5, image 1 de 1

    • Use a hex 0.7 screwdriver to remove the screws from the motherboard.

    Modifier

  7. Fitbit Alta HR Battery Replacement, Lift motherboard: étape 6, image 1 de 2 Fitbit Alta HR Battery Replacement, Lift motherboard: étape 6, image 2 de 2

    • Use a spudger to lift the motherboard.

    Modifier

  8. Fitbit Alta HR Battery Replacement, Lift battery and remove innards: étape 7, image 1 de 1

    • Use a spudger to lift the battery.

    • When the battery is lifted, the connected components (display, motherboard, battery) will come out.

    Modifier

    • Use a soldering iron to desolder the two battery contacts from the motherboard.

    Modifier

    • Ensure positive and negative wires are in the correct positions. There are + and – signs on the motherboard. Red is positive. Black is negative.

    • Use a soldering iron and lead-free solder to solder the new battery to the motherboard.

    Modifier
Conclusion

To reassemble your device, follow these instructions in reverse order.

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Wendy Sato

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