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BossMonitor License

Real-time EG4 inverter monitoring, MQTT / Home Assistant integration,
smart outlet automation, and Pushover alerts — on your local network.

$49

One-time purchase • Lifetime license • Per board

⚠ Software license only — no hardware included.
You will need an ESP32-S3 board to run BossMonitor. Hardware is available separately on Amazon — see the hardware section on our home page.

What's included

✓ Web dashboard with live inverter data

✓ MQTT & Home Assistant integration (52 entities)

✓ Pushover push notifications & alerts

✓ Smart outlet automation (Shelly Gen1/Gen2)

✓ GridBoss SP port monitoring & control

✓ Over-the-air firmware updates

✓ MAC-bound license — no subscriptions

Available configurations

Option 1 — WaveShare (Recommended)

WaveShare ESP32-S3-RS485-CAN board with onboard CAN + RS485. Covers every EG4 battery configuration — V1, V1+V2 mix, PowerPro, and Pylontech. Pre-flashed and tested.

Option 2 — Firmware License Only (BYOH)

Have your own WaveShare ESP32-S3-RS485-CAN board? Flash it yourself via our browser-based installer and activate your license. Full instructions included.