About VanAccess BMS Monitor
VanAccess BMS Monitor displays live information from LiFePO4 battery systems and compatible power devices over Bluetooth Low Energy. Its dashboard shows state of charge, voltage, current, power, and temperature. Individual cell voltages can be viewed in a bar chart that highlights minimum, maximum, and difference values. The app also shows cycle count, state of health, protection flags, and FET status. It can monitor supported solar charge controllers and DC-to-DC converters, and control relays on a compatible switch panel. A Bluetooth scanner shows nearby devices and signal strength. Background monitoring can reconnect automatically through a foreground service. Temperature can be displayed in Celsius or Fahrenheit. For troubleshooting, the app includes a GATT dump, raw packet logging, and manual hexadecimal commands. It supports specified battery-management and device protocols, including encrypted advertisements for some power equipment. VanAccess is read-only for battery settings and does not modify BMS configuration. It is not affiliated with hardware manufacturers, and its usefulness depends on compatible devices and protocols.
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