MUMBAI, India, June 26 -- Intellectual Property India has published a patent application (202641051147 A) filed by Dr. C. Infant Vinoth; Dr. G. Sundar; S. Mohammed Sudir; M. Muthu Gokul; M. S. Priyadarshan; S. P. Surya Sankar; and Dr. R. Senthilkumar on April 22, 2026, for Iot Based Distilled Water Level Monitoring And Alert System For Lead Acid Batteries.
Inventors include Dr. C. Infant Vinoth; Dr. G. Sundar; S. Mohammed Sudir; M. Muthu Gokul; M. S. Priyadarshan; S. P. Surya Sankar; and Dr. R. Senthilkumar.
The application for the patent was published on June 19, 2026, under issue no. 25/2026.
Abstract: Lead-acid batteries are widely used in applications such as telecom towers, UPS systems, solar energy storage, and industrial backup systems due to their reliability and costeffectiveness. These batteries require regular maintenance, especially the refilling of distilled water to maintain proper electrolyte levels. In conventional systems, electrolyte levels are checked manually, which is time-consuming, error-prone, and often neglected in large or remote installations. This can lead to plate exposure, sulfation, reduced efticiency, and premature battery failure. This project proposes an loT -based distilled water level monitoring and alert system for lead-acid batteries. The system uses a multi-leyel conductive sensing technique with probes placed at different levels to detect electrolyte conditions such as FULL, MID, LOW, and DRY. A PIC16F877A microcontroller processes the sensor data using an ADC multiplexer and also monitors battery voltage. The information is displayed locally on a 16x2 LCD and transmitted to a remote dashboard using an ESP8266 Wi-Fi module with the Blynk platform. The system generates alerts when the electrolyte level falls below safe limits, ensuring timely maintenance, reducing manual effort, and improving battery performance and lifespan.
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