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Introduction |
| Use this guide to replace a worn-out or dead battery in your Apple Watch Series 8. | | ***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 both sizesthe 45 mm version. | | | Before you begin, make sure you have the appropriate replacement battery for your watch. | | | 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. | | | 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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