> For the complete documentation index, see [llms.txt](https://pekaway.gitbook.io/van-pi/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://pekaway.gitbook.io/van-pi/energy-management/solar-controller/pekaway-mppt-s20.md).

# Pekaway MPPT S20

### Connecting the Pekaway MPPT S20 Solar Charger to VAN PI via Bluetooth

#### Steps for Setup

1. **Access the Web Interface of VAN Pi:**
   * Open a web browser on a device connected to the same network as your VAN Pi.
   * Enter the IP address of your VAN Pi system to access the web interface.
2. **Initiate Bluetooth Scanning:**
   * Navigate to the **Wireless** section in the web interface.
   * Select **Bluetooth**.
   * Click on **Pekaway MPPT**.
3. **Select Your Solar Charger:**
   * Perform a search to locate the Pekaway MPPT S20 Solar Charger.
   * After the search completes, select the solar controller from the dropdown menu.
4. **Using Solar Surplus Control:**
   * You can enable the solar surplus control feature.
   * **Note:** This feature is currently experimental and may not be fully stable.

#### Summary

By following these steps, you can easily connect the Pekaway MPPT S20 Solar Charger to your VAN Pi system via Bluetooth. After selecting the solar charger from the dropdown menu, you can also experiment with the solar surplus control feature.

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