SmartBMS Data Extractor
your BMS JK or DALY via WiFi
*ALL-in-One*

LATEST SW & DOCs UPDATE
14-July-2026 v3.6.1

Build it Yourself TUTORIALs
>> DOWNLOAD THE MANUAL <<

*CLICK HERE ALL THE FEATURES*
MQTT (s)
ModBUS TCP Client/Server
HOME ASSISTANT adapter
Remote Connection via Virtual TUNNEL
Remote Management
Remote MQTT/MODBUS COLOR DISPLAYs
Push Notifications for alarms & status
Web Pages with charts – 6 months logger

Tasmota Color Display in action

easy to deploy & use

  • works
    • JK Bx via UART/GPS
    • JK PBx via RS485A
    • JK PBx via CAN ( NEW)
    • DALY / Hi / 100Balance BMS via UART
  • works with or without Internet connection
    perfect for Camper Van / mountain cabin, boat …..

two or three* connectors available:

  • USB micro-B for power* & Serial Terminal Config
  • BMS connector – electrically ISOLATED from DALY/Hi/JK Smart BMS
  • (optional) DALY Smart BMS Bluetooth accessory Female connector to let Bluetooth original dongle to work in parallel
IotMqtt Panel app in action

Main Parameters always under control

  • Mobile friendly Web Pages
  • MQTT –
    – Hivemqtt/Mosquitto proven
    – HomeAssitant bridge
    – JSON export supported
    – JSON for IoTMqttPanel app
  • ModBus TCP Server / Client
  • Colour Display WiFi MQTT/Modbus
  • PUSH Notification to mobile

Web page graphs for daly activities

Detailed view of each Battery – SOC – V-I

  • on webpages / MQTT / ModBus TCP / CSV File
  • 24h recording + 6++ months daily storage onboard
    • each battery on the pack is monitored
    • Status of Charge
    • IN/OUT BMS current
    • export 6++ months daily data in .csv format
  • Password Protected temporary activation of a UART over Internet tunnel to let DALY Smart BMS PCMaster or JK equivalent PC software, to read and set all BMS parameters from wherever you are like you are in front of the BMS

Wi-Fi accessory for Daly*, Hi & JK*
what makes your BMS really smart !

*DATA EXTRACTOR and COLOR DISPLAY are independent projects compatible with DALY, Hi , 100Balance & JK Smart BMS
This is an OPEN Project
you can clone the HW and upload the pre-built FW