# Marstek Venus E

Source: https://docs.evcc.io/en/meters/marstek-venus-e

Supported features: battery-control

## Parameters

| Name | Description | Default / example | |
| --- | --- | --- | --- |
| modbus | Modbus Type (rs485, tcpip) |  |  |
| generation | Generation Venus E, Venus E Gen 2.0 and Venus C are generation 2. Generation 3 uses different registers. (2, 3) |  |  |
| capacity | Battery capacity | 5.12 kWh |  |
| minsoc | Minimum charge Lower limit as configured on the battery system. Used by optimizer. | 11 % |  |
| 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. | 2500 W | advanced |
| maxdischargepower | Maximum discharge power Maximum discharge power of the storage. | 800 W | advanced |
| work_mode_normal | Work mode for Normal state 0=manual, 1=anti-feed, 2=trade mode. | 1 | advanced |

## Configuration example for evcc.yaml

```yaml
meters:
    - name: my_battery
      type: template
      template: marstek-venus-e
      usage: battery
      
      # RS485 via adapter (Modbus RTU)
      modbus: rs485serial
      id: 1
      device: /dev/ttyUSB0 # USB-RS485 Adapter Adresse
      baudrate: 115200 # Prüfe die Geräteeinstellungen, typische Werte sind 9600, 19200, 38400, 57600, 115200
      comset: "8N1" # Kommunikationsparameter für den Adapter
      
      # RS485 via TCP/IP (Modbus RTU)
      modbus: rs485tcpip
      id: 1
      host:  # Hostname
      port: 502 # Port
      
      # Modbus TCP
      modbus: tcpip
      id: 1
      host:  # Hostname
      port: 502 # Port
      generation: # Generation, Venus E, Venus E Gen 2.0 and Venus C are generation 2. Generation 3 uses different registers. [2, 3]
      capacity: 5.12 # Battery capacity (kWh), optional
      minsoc: 11 # 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: 2500 # Maximum charge power (W), For forced charging of the battery. (optional)
      maxdischargepower: 800 # Maximum discharge power (W), Maximum discharge power of the storage. (optional)
      work_mode_normal: 1 # Work mode for Normal state, 0=manual, 1=anti-feed, 2=trade mode. (optional)
```