Use this guide to replace a worn-out or dead battery in your Apple Watch Series 7.

Note: The battery replacement procedure for the 41 mm Series 7 Apple Watch differs slightly from the 45 mm version. This guide shows how to replace the battery for both sizes.

Before you begin, make sure you have the appropriate replacement battery for your watch. You will only need a Tri-point Y000 screwdriver during the battery replacement in the 45 mm model.

If your battery is swollen, take appropriate precautions. For your safety, discharge your battery below 25% before disassembling your device. This reduces the risk of fire if the battery is accidentally damaged during the repair.

This guide shows the procedure on the cellular/LTE version of the watch, but the GPS-only version is similar.

You’ll need replacement adhesive to reattach components when reassembling the device.

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