Apple Watch - Replacing the battery

The battery life is low. Your watch keeps crashing or won’t charge.

  • Apple Watch
  • 6 Steps
  • Medium
  • 15 min.
Go to the guide


In this guide, we show you how to replace your Apple Watch’s defective battery on your own. This repair can help if your Apple Watch crashes during heavy use because the voltage temporarily drops, you can no longer charge it or turn it on, or the battery life is very low.

Required tools

  • Hartplastik-Plektren


    You need a flat but stable tool such as a pick to pry out parts that are glued in place.

    €1.00 at the iDoc store
  • Heat gun

    Heat gun

    You can use a heat gun to heat parts that are glued on so they’re easier to remove. In most cases, you can also use a hairdryer.

    from €14.99 on Amazon
  • For storing screws

    For storing screws

    We recommend storing your screws so you don’t mix up the various screws and small parts.

    €10.00 at the iDoc store
  • Steel Laboratory Spatula

    Steel Laboratory Spatula

    You need a flat and sturdy prying tool to disconnect glued parts.

    €9.00 at the iDoc store
Show all replacement parts for the Apple Watch 

Getting started

If you get stuck or have questions, you can post a comment for each step. We’d be happy to help.

6 steps
  1. Lifting the display

    Apple Watch - Lifting the display 01
    Apple Watch - Lifting the display 02
    1. First you have to heat your Apple Watch’s display using a heat gun.
    2. The gap between the aluminum frame and the display is very small. We recommend that you use a very flat, sturdy object to get between them.If you’re using a sharp blade, make sure it doesn’t slip. If necessary, wear appropriate gloves.
    3. Carefully lift the display using a suction cup.
    4. As soon as a little gap opens up, use the plastic pick to avoid damaging the aluminum.
  2. Inserting the pick

    Apple Watch - Inserting the pick 01
    Apple Watch - Inserting the pick 02
    1. You should only insert the pick about two or three millimeters between the display and the frame to prevent damage inside the enclosure.
    2. The display is glued to the entire outer edge of the Apple Watch. Move the pick once around the entire device.
    3. The NFC antenna also acts as a seal and is glued to the aluminum enclosure. Make sure you don’t lift it with the display and that it stays on the aluminum frame.
  3. Lifting the display

    Apple Watch - Lifting the display 01
    Apple Watch - Lifting the display 02
    1. Once you’ve detached all the glue, you can carefully lift the display.
      There are two cables connected to the display at the upper left corner.
    2. Now you can pull the display off to one side so you can see the cables.
  4. Removing the battery

    Apple Watch - Removing the battery 01
    Apple Watch - Removing the battery 02

    Note: You don’t need to remove the display. We just removed it so you can get a better idea of the process.

    1. The little battery is only lightly glued in place. Carefully lift it with a spudger.
    2. Now disconnect the cable’s connector using the spudger.
    3. Then you can remove the battery.
  5. Inserting the battery

    Apple Watch - Inserting the battery 01
    Apple Watch - Inserting the battery 02
    1. Connect the new battery to the cable and put the battery in the original position.
    2. Press it gently into the enclosure.
  6. Attaching the display

    Apple Watch - Attaching the display 01
    Apple Watch - Attaching the display 02
    1. Check all the functions of your Apple Watch before you attach the display again.
    2. Now check whether the seal’s glue is still sticky enough.
    3. If everything’s okay, you can put the display back on. Heat it slightly and press it into the enclosure for a few minutes.
    4. Now you can use your Apple Watch as usual. Have fun!
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