> For the complete documentation index, see [llms.txt](https://bananapi.gitbook.io/bpi-m2/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bananapi.gitbook.io/bpi-m2/zh/bpi-m237vlithiumbatteryinterface.md).

# BPI-M2 3.7V lithium battery interface

**1,Battery interface of BPI-M2:**

![](https://1265032173-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M2HWtRAeSna97-WL0mR%2F-M2HWvGmXE4MI8VrC8lC%2F-M2HXLK2FkW0ALtEjRWG%2FBPI-M2%20battery.JPG?generation=1584080207350730\&alt=media)

use way same as BPI-M3.

<https://bananapi.gitbooks.io/bpi-m3/content/bpim3lithiumbatteryinterface.html>