> For the complete documentation index, see [llms.txt](https://bananapi.gitbook.io/bpi-m3/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-m3/zh/bpim3powerinterface.md).

# BPI-M3 DC Power interface

**BPI-M3 power with microUSB power (option)** 

![](/files/-M2HXHkLP9bQyUY59v1W)

**BPI-M3 power with DC port (default)** 

![](/files/-M2HXHkNXHmFtZNkqi7E)

Dc power size:

![](/files/-M2HXHkPR9k9X92JNWAD)

Note: please must use 5V/2A power adapter for BPI-M3.

for banana pi BPI-M3 power , all power is spport from AXP PMU.

we also support get power direct from DC power:

**How to change:**

1,FB7 add 0 ohm resistor.

![](/files/-M2HXHkRWaYoCal_lEHK)

2，FB4 magnetic bead remove. so power is direct from DC power

![](/files/-M2HXHkTAWXc6Iuz3R48)

Note : if you have do this change , if you use 3.7 battery to power , USB port will not work.