> For the complete documentation index, see [llms.txt](https://nxp.gitbook.io/rddrone-bms772/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://nxp.gitbook.io/rddrone-bms772/bms4.0-10.1/user-guide/getting-to-know-the-hardware/board-organization.md).

# Board organization

{% hint style="success" %}
For disambiguation: 

"Power in" (J4) is where your physical battery will connect. 

Individual balancing leads will connect to JP1 "Cell Terminal"

The BMS board and Physical battery connected together can now be considered a "smart battery with BMS"

"Power out J5 represents the connection of your "smart battery with BMS" to the outside world.
{% endhint %}

The board is organized as shown in the figures below:

![](/files/-MiL2vuTZTLBcQ4atJB6)

![Board map - Top](/files/-MiL32_VQAVgzc3tvMTa)

![](/files/-M77vxz1SfP2kQSiSXJo)

![Board map - Bottom](/files/-MiL380TF8gyTnoIUHIG)