JK & DALY* BMS
Data Extractor
*ALL in One*

*JK-PBx & JK-Bx, DALY/Hi/100Balance
LATEST UPDATE
v 3.4.1 27-Nov-2025

TUTORIALs to build it
>> DONGLE MAKE-IT <<
>> DISPLAY MAKE-IT <<

MQTT (s)
ModBUS TCP Client/Server
HOME ASSISTANT adapter
REMOTE COLOR DISPLAY
Push Services for alarms & status
Web Pages with charts – 6 months logger

LATEST SW release
v 3.4.0 31-Oct-2025

easy to deploy & use

  • works
  • 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
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Main Parameters always under control

  • Mobile friendly Web Pages
  • MQTT – TLS or Clear
    – 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

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