JK & DALY BMS
ALL in One
free prj

JK-PBx & JK-Bx
DALY/Hi/100Balance

MQTT – ModBUS – Push Services
Web Pages6 months logger
HOME ASSISTANT adapter
TASMOTA COLOR DISPLAY
TUTORIALs
>> DONGLE MAKE-IT<<
>> DISPLAY MAKE-IT<<

CURRENT SW release 3.2.3 01 May 2025
LATEST NEWS
>> DISCORD CHANNEL <<
>> TASMOTA MQTT COLOR DISPLAY <<

easy to deploy & use

  • works
    • JK with UART/GPS
    • JK with RS485A (PB1/2)
    • DALY BMS with UART interface
    • Hi BMS with UART Interface
    • 100Balance with UART Interface
  • 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
    – JOSON for IoTMqttPanel
  • ModBus TCP Server !
  • TASMOTA MQTT color Display
  • PUSH Notification to mobile
  • WiFi dongle monitors :
    • Battery pack params
      • min-max Voltage
      • delta Voltage
      • temperature
      • each battery voltage
      • SOC
      • charging/discharging I
      • other ….
    • Alarms

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 official, to read and set all BMS parameter 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 !