> For the complete documentation index, see [llms.txt](https://docs.ceruleansonar.com/c/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ceruleansonar.com/c/omnitrack/quick-start-guides/assembly/final-assembly-step-battery.md).

# Final Assembly Step: Battery

Unscrew the Battery/Wi-Fi Enclosure end cap (the one farthest from the antenna) and pull out the battery. Fully charge the battery, connect it to the battery connector, and re-install the end cap. 

The on-off switch is shown in the image below.

Refer to[ this section f](/c/omnitrack/omnitrack-wi-fi-module-system/battery-safety-and-care.md)or more information on the battery.