# SAX SAX Power Home (Plus)

Source: https://docs.evcc.io/en/meters/sax-sax-power-home-plus

For battery control, registers 40044/40045 (43/44) must be enabled by technical support. The device's serial number is required for this.

Supported features: battery-control

## Parameters

| Name | Description | Default / example | |
| --- | --- | --- | --- |
| modbus | Modbus Type (tcpip) |  |  |
| capacity | Battery capacity | 50 kWh |  |
| minsoc | Minimum charge Lower limit as configured on the battery system. Used by optimizer. | 0 % |  |
| maxsoc | Maximum charge Upper limit as configured on the battery system. Used by optimizer and for grid charging. | 100 % |  |
| maxchargepower | Maximum charge power For forced charging of the battery. |  W | advanced |
| maxdischargepower | Maximum discharge power Maximum discharge power of the storage. |  W | advanced |
| watchdog | Watchdog | 240s | advanced |

## Configuration example for evcc.yaml

```yaml
meters:
    - name: my_grid
      type: template
      template: sax
      usage: grid
      
      # Modbus TCP
      modbus: tcpip
      id: 64
      host:  # Hostname
      port: 502 # Port
      watchdog: 240s # Watchdog, optional
```

```yaml
meters:
    - name: my_battery
      type: template
      template: sax
      usage: battery
      
      # Modbus TCP
      modbus: tcpip
      id: 64
      host:  # Hostname
      port: 502 # Port
      capacity: 50 # Battery capacity (kWh), optional
      minsoc: 0 # Minimum charge (%), Lower limit as configured on the battery system. Used by optimizer. (optional)
      maxsoc: 100 # Maximum charge (%), Upper limit as configured on the battery system. Used by optimizer and for grid charging. (optional)
      maxchargepower: # Maximum charge power (W), For forced charging of the battery. (optional)
      maxdischargepower: # Maximum discharge power (W), Maximum discharge power of the storage. (optional)
      watchdog: 240s # Watchdog, optional
```