> For the complete documentation index, see [llms.txt](https://help.waterwatch.io/3.0.1/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.waterwatch.io/3.0.1/hardware-and-maintenance/maintenance/battery-replacement-all-models-after-oct-2022-except-external-antenna.md).

# Battery Replacement (all models after Oct 2022 except external antenna)

Once you have your battery kit, please read carefully and follow the instructions **step by step** to replace the battery.

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