First release of the EcoFlow River 3 Plus USB integration for Home Assistant.
Local, cloud-free monitoring of the EcoFlow River 3 Plus over USB — no MQTT, no EcoFlow cloud account, no internet required.
Features
- 100% local USB communication (serial + HID)
- UI config flow with automatic USB device discovery
- Battery: charge level, discharge/charge time remaining
- Power: total in/out, AC, solar/DC, USB-A and USB-C loads
- Temperatures: system and battery
- Binary sensor: AC input active
Installation
Add as a HACS custom repository, or copy custom_components/ecoflow_river3_plus into your Home Assistant config. See the README for details.
Requirements
- Home Assistant 2025.12.0 or newer
- USB passthrough for both the serial and HID interfaces
Credits
Based on the reverse-engineering work in greyltc/r3pcomms.
🤖 Generated with Claude Code