IoT based Battery Health Monitoring System

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Original price was: 7,999.00₹.Current price is: 3,499.00₹.

Battery Health Monitoring System, powered by NodeMCU, monitors lithium-ion battery status and environmental conditions via DHT-11 sensor and OLED display, facilitating remote monitoring and proactive maintenance for various applications, including consumer electronics, renewable energy systems, and electric vehicles.

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Battery Health Monitoring System, a smart solution designed to monitor and maintain the health of lithium-ion batteries. This system integrates advanced sensors and wireless connectivity to provide real-time data on battery status and environmental conditions, ensuring optimal performance and longevity.


  • Utilizes NodeMCU for wireless connectivity and data transmission to the Blynk server, enabling remote monitoring and control.
  • Incorporates a switch for manual activation and deactivation of the monitoring system.
  • Powered by a Li-ion 18650 battery and includes a charging module for convenient recharging.
  • DHT-11 sensor measures temperature and humidity levels to ensure optimal operating conditions for the battery.
  • OLED display provides clear and concise visual feedback on battery status and environmental data.
  • Connects to the Blynk server for easy access to battery health information via a mobile app or web interface.


  • NodeMCU
  • Switch
  • Li-ion 18650 Battery
  • Charging Module
  • DHT-11 Sensor
  • OLED Display
  • Blynk Server


  1. The NodeMCU connects to the Blynk server, allowing users to remotely monitor the battery’s health and environmental conditions.
  2. The switch activates the monitoring system, initiating data collection and transmission to the Blynk server.
  3. The Li-ion 18650 battery powers the system, with the charging module ensuring it remains charged for continuous operation.
  4. The DHT-11 sensor measures temperature and humidity levels, providing insight into the environmental factors affecting battery performance.
  5. The OLED display presents real-time battery status information, including voltage, temperature, and humidity readings.
  6. Users can access the battery health data and receive notifications through the Blynk app or web interface, enabling proactive maintenance and troubleshooting.


  • Consumer Electronics: Monitors battery health in smartphones, laptops, and other portable devices, optimizing battery life and performance.
  • Renewable Energy Systems: Ensures the reliability and longevity of batteries used in solar panels and energy storage systems, maximizing energy efficiency.
  • Electric Vehicles: Provides real-time monitoring of battery health in electric cars, enhancing safety and reliability on the road.
  • Industrial Applications: Maintains the health of batteries used in industrial equipment and machinery, minimizing downtime and maintenance costs.