> For the complete documentation index, see [llms.txt](https://docs.inspiredflight.com/inspired-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.inspiredflight.com/inspired-documentation/products/aircraft/if800-tomcat/if800-batteries/ib388-battery-overview/battery-indicators-and-error-lights.md).

# Battery Indicators & Error Lights

<figure><img src="/files/TtkNpXvYbniUTeT2mJzr" alt=""><figcaption><p>IB388 (IF800 Battery) LED Chart</p></figcaption></figure>