Use, monitor and control any battery brand with any inverter! Application to read and monitor data from BMSes and write data to an inverter using any protocol (e.g. UART, RS485, ModBus or CAN)

Esp-HuaweiR4850-Controller Das Huawei R4850G2 Recitfier Modul ist ein 3000Watt Lade Netzteil. Es kann über Datenkommunikation gesteuert werden. Die Software "Esp-HuaweiR4850-Controller" kann dieses Huawei dann automatisch je nach PV Überschuss steuern. Der Photovoltaik Solar Überschuss z.B. eines Balkonkraftwerks wird in die Batterie geladen

LiFePo4(LFP) Battery State of Charge (SOC) estimation from BMS raw data

Integration of Victron to Pylontech supported inverters with DIY Batteries

Single-Cell Li-Ion, LiPo and LiFePO4 Battery Capacity Tester

Emergency solar system with grid switching in case of insufficient solar energy.

Web application to monitor Renogy 200ah LiFePO4 Battery over bluetooth (Web Bluetooth API). No server needed. All client side javascript

Web application to monitor Li Time 100Ah Group 24 LiFePO4 Battery over bluetooth (Web Bluetooth API). No server needed. All client side javascript

12V LiFePO4 UPS for Home Assistant and network gear. First full outage validation (May 6, 2026): 217 min AC-off, 4.18 Ah / 53.3 Wh delivered, graceful shutdown via slope-based cliff_imminent trigger — confirmed end-to-end. Includes design docs and outage reports.

Python library for PowerQueen BMS Bluetooth connection

Raspberry PI 4 + INA3221 + SY-M150-14.6 + LiFePo4 battery + 25W solar panel

ESP32-C3 Battery Monitor Shunt

E-Paper Display based efficient NTP Clock

ESP32-C3 WiFi monitor/controller for Voltronic/Powmr PI18/PI30 hybrid inverters + JK-BMS BLE: animated web UI (installable as a PWA), OTA updates, persistent fault log, MQTT/Home Assistant integration, long-term history graphs, LiFePO4 presets

DIY UPS solution for small DC systems (under 400w) using LiFePO4 batteries!

Felicity Solar BMS to Home Assistant integration via CAN bus using ESPHome. Monitoring for LiFePO4 batteries (LPBF series).

Inhero MR-2 hardware variant — fork of meshcore-dev/MeshCore

LiFePO Battery State of Charge Challenge/Hackathon 2024

DALY - JK - 100Balance - Hi and other BMS - ALL in ONE Assistant