Home Assistant integration for Epever solar charge controllers via Modbus TCP (WiFi dongle). Version for DuoRacer MPPT

• Real-time monitoring of PV (solar panel) voltage, current, and power
• Battery voltage, current, and power monitoring for BATT1 and BATT2 SOC for BATT2
• Generated energy Day/month/year/total
• Max/Min Battery voltege during day
• Load voltage, current, and power monitoring
• Device temperature monitoring
• Configurable via UI (config flow)
• Supports Modbus TCP communication over WiFi

1. Open HACS in your Home Assistant instance
2. Go to Integrations
3. Click the three dots menu (⋮) in the top right corner
4. Select Custom repositories
5. Enter the following:
   • Repository: https://github.com/oskarhart/ha-epever
   • Category: Integration
6. Click Add
7. The integration will appear in HACS
8. Click Download to install it
9. Restart Home Assistant

1. Download the latest release from the releases page
2. Extract the zepever folder
3. Copy the zepever folder to your custom_components directory in your Home Assistant configuration directory
4. Restart Home Assistant

1. Go to Settings → Devices & Services
2. Click Add Integration
3. Search for Epever
4. Enter the following information:
   • Device Name: A human-friendly name for your device
   • Device Address: The hostname or IP address of the WiFi dongle (e.g., 192.168.1.100 or epever.local)
   • Device Port: The TCP port for Modbus TCP communication (default: 9999)
   • unit_id: id for Modbus (default: 1
5. Click Submit

• Home Assistant 2024.1.0 or later
• Epever WiFi dongle connected to your charge controller
• Network connectivity between Home Assistant and the WiFi dongle
• Python package: pymodbus==3.11.2 (installed automatically)

• PV Voltage - Solar panel voltage
• PV Current - Solar panel current
• PV Power - Solar panel power output
• Battery Voltage - Battery voltage
• Battery Current - Battery current (positive = charging, negative = discharging)
• Battery Power - Battery power
• Load Voltage - Load output voltage
• Load Current - Load output current
• Load Power - Load power consumption
• Device Temperature - Charge controller temperature
• Battery 2 Voltage - Battery 2 (Vehicle Battery) voltage
• Battery 2 Current - Battery 2 (Vehicle Battery) current
• Battery 2 Power - Battery 2 (Vehicle Battery) power
• Maximum Battery 1 Voltage today - Battery 1 (Vehicle Battery) voltage
• Minimum Battery 1 Voltage today - Battery 1 (Vehicle Battery) voltage
• Maximum Battery 2 Voltage today - Battery 2 (Vehicle Battery) voltage
• Minimum Battery 2 Voltage today - Battery 2 (Vehicle Battery) voltage
• Generated Energy today/month/year/total Solar panel today/month/year/total

• Integration not found: Make sure you've restarted Home Assistant after installation
• Connection errors: Verify the device address (IP or hostname) and port are correct. Ensure the WiFi dongle is accessible from your Home Assistant instance
• No data: Check that your device address and port match your WiFi dongle configuration. Try pinging the device address to verify network connectivity

• Issue Tracker

This project is licensed under the MIT License.