| Use this guide to replace a worn-out or dead battery in your Apple Watch Series 8. |
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| ***Note: The battery replacement procedure for the 41 mm Series 8 Apple Watch differs slightly from the 45 mm version.*** This guide shows how to replace the battery for the 45 mm version. |
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| The battery of the 41 mm model has a silver cover and a different connector compared to the black battery of the 45 mm model. Before you begin, make sure you have the appropriate replacement battery for your watch. |
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| If your battery is swollen, [[What to do with a swollen battery|take appropriate precautions|new_window=true]]. 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. |
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| This guide shows the procedure on the cellular/LTE version of the watch, but the GPS-only version is similar. |
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