> 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/ls1r-battery-replacement-before-oct-2022.md).

# LS1R Battery Replacement (before Oct 2022)

{% file src="/files/sC2PcEa8m1qc6PFWUENp" %}

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

![](/files/H8fLFFybGWGHUVWYwRW6)

1. Unscrew and remove the lock ring.

![](/files/uNqXiQo5O4kFVQSLkatb)

2\. Gently slide the internal case, radar and battery from the top case.

![](/files/g38bfYRwogXt9NSDCSWE)

3\. Carefully unplug the battery cable from the circuit board. Plug your new battery in.

![](/files/XTbXQfaE9PoIiKwufrO7)

4\. Place the battery into the cradle in the top case. The battery wires should be placed on the left side of the cradle.

![](/files/fxSu8fNhiR0rQqahbq2V)

5\. Slide the internal case and radar into the new case over the battery. Keep the wires to the left and be careful not to pinch the battery wires between the internal and top case.

Push the top case and radar together to compress the o-ring. 

![](/files/nkmWAOo2N2j1AB3IYAU0)

6\. Screw the lock ring back on and you’re good to go! Make sure the cover is tightly screwed on to prevent water and dust from damaging your sensor.


---

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