v0.1.0 — Initial release

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