> For the complete documentation index, see [llms.txt](https://bananapi.gitbook.io/bpi-m1/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-m1/en/bpi-m137vlithiumbatteryinterface.md).

# BPI-M 3.7V lithium battery interface

**1,Battery interface of BPI-M1:**

![](/files/-M2HX3hPoEa3pe3NjfGx)

use way same as BPI-M3.

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