# Alfen Eve

Source: https://docs.evcc.io/en/chargers/alfen-eve

The "Active load balancing" license is required for external Modbus control of the charger. Enable "Active Load Balancing" and select "Energy Management System" as Data Source in the configuration. It is recommended to set "ValidityTime" ("TCP/IP EMS" menu) to 300s. When using "Double" charger both loadpoints need to be added. The the first port (or single) is accessable on ID 1, second port on ID 2.

Supported features: mA, 1p3p, meter, dim

Sponsor token required: this device is available to sponsors of the project, see https://docs.evcc.io/en/sponsorship.

## Known limitations

- Phase switching does not always synchronise reliably.


## Parameters

| Name | Description | Default / example | |
| --- | --- | --- | --- |
| modbus | Modbus Type (tcpip) |  |  |

## Configuration example for evcc.yaml

```yaml
chargers:
    - name: my_charger
      type: template
      template: alfen
      
      # Modbus TCP
      modbus: tcpip
      id: 1
      host:  # Hostname
      port: 502 # Port
```