The system clock is not set. Data logs will have incorrect timestamps.
Real-Time Stats
Total Solar:-- W Battery SOC:-- % Firmware:-- Board:--
Monitoring & Configuration
Animated live energy flow diagram
Real-time inverter readings
View historical solar, battery, and load graphs
Download logged data as spreadsheet
Switch between TCP and RS485 Modbus
Select BMS data source (RS485, CAN LifePower4, CAN Pylontech)
Add, remove, or configure inverters
Publish data to Home Assistant or any MQTT broker
Email alerts for battery, grid, and temperature events
Shelly outlet control with automation triggers
Charge, discharge, grid, and mode settings
WiFi Mode
AP Mode — ESP32 creates its own network:
ESP32 creates its own WiFi — no router needed
Router Mode — connect to your WiFi network:
Connect to home/site WiFi router
Lifetime Energy Offsets
Inverter energy counters may have been reset (firmware update, replacement, etc.).
For each value: look up the true lifetime total in EG4's portal, subtract the
Current inverter value shown below, and enter the result as the offset.
Category
Inverter value
Offset (kWh)
☀️ Solar Yield
—
🔋 Battery Discharge
—
🏭 Exported to Grid
—
🏠 Consumption
—
System Maintenance
Help and documentation
Discover unknown registers by comparing before/after snapshots