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WebUI Overview
github-actions[bot] edited this page Apr 26, 2026
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The WebUI is the main control and setup interface.
| Page | Use |
|---|---|
| Status | Live BMS data, SOC bar, cell overview and controls |
| Network Settings | WiFi setup, static IP and optional WebUI login |
| MQTT Settings | MQTT broker, topic, interval, TLS and Home Assistant Discovery |
| Device Settings | BMS wizard, advanced BMS settings, LED brightness and relay settings |
| Firmware Update | Online update, manual OTA update, settings backup and restore |
| License Settings | Enter and check license key |
| Web Serial | Live log for troubleshooting |
The Status page shows the current BMS state.
Typical values:
- Connection state
- SOC
- Voltage
- Current
- Calculated power
- Charge/discharge MOS state
- Temperatures
- Cell voltages
- Error text
Some values are only visible with a valid license and only if the BMS provides them.
Depending on BMS type and license, the Status page can offer:
- Set SOC
- Switch charge MOS
- Switch discharge MOS
- Wake wired BMS
If a control is hidden or disabled, the current BMS or license state does not allow that action.
When no WiFi is configured, the device starts in setup AP mode.
In AP mode:
- Open
http://192.168.4.1. - Configure WiFi first.
- BLE BMS scan is disabled until the device is in normal WiFi mode.
Questions, bugs or device reports: please use the GitHub issue tracker.