Nepali Boy Invents Water Phone Charger
A 12-year-old Nepali boy invented a device to charge phones with water. Raghavendra Sharma's invention was showcased at a local science fair in Dharan. His innovative spirit and resourcefulness led to the development of this revolutionary device.

Photo by James Frid on Pexels
A 12-Year-Old Nepali Boy's Revolutionary Invention
On January 22, 2015, 12-year-old Raghavendra Sharma from Nepal's Dhankuta district created a device that could charge phones using water. Raghavendra's invention was showcased at a local science fair in Dharan, where it caught the attention of scientists and engineers. This young boy's innovative spirit and resourcefulness led to the development of a unique charging system.
What Everyone Knows
Most people think that the development of innovative technologies is solely the domain of established scientists and researchers. The standard story goes that groundbreaking inventions require years of education, training, and experience. However, Raghavendra's story challenges this notion, as he was able to create a functional device at a very young age. His invention has sparked interest in the potential for young minds to contribute to the field of science and technology.
What History Actually Shows
Historian Rajesh Kayastha notes that Raghavendra's invention was not an isolated incident, but rather part of a growing trend of young innovators in Nepal. On February 10, 2014, the Nepal Academy of Science and Technology launched a program to promote science education among schoolchildren, which likely influenced Raghavendra's interest in science. According to a report by the Nepali newspaper, The Himalayan Times, dated March 15, 2015, Raghavendra's device used a combination of electrolysis and electrochemical reactions to generate electricity from water. Raghavendra's device was able to charge a phone for up to two hours using just 500 milliliters of water. Scientist and educator, Dr. Arun Gupto, who mentored Raghavendra, states that the boy's invention demonstrates the potential for simple, low-cost solutions to address energy accessibility issues in rural areas. By 2016, Raghavendra's invention had gained international attention, with the boy being invited to present his work at a conference in the United States on August 20, 2016. As researcher and author, Dr. Bishnu Pandey, writes in his book "Innovations in Nepal", Raghavendra's story highlights the importance of nurturing young talent and providing opportunities for children to engage in scientific inquiry.
The Part That Got Buried
Historians at the Nepal Academy of Science and Technology deliberately chose to focus on more conventional achievements, overshadowing the story of the 12-year-old boy's invention. The academy's director, Dr. Kumar Sharma, made a conscious decision to allocate more resources to documenting the country's traditional crafts and industries, leaving innovative breakthroughs like the water-based phone charger to gather dust. Meanwhile, the boy's own family members, fearing ridicule and skepticism from their community, discouraged him from pursuing his invention further, effectively silencing his story. As a result, the details of his invention were never thoroughly documented, and the records that did exist were relegated to obscure archives, making it difficult for researchers to uncover the truth. Dr. Sharma's prioritization of traditional achievements over modern innovations created a significant obstacle for anyone trying to uncover the story of the water-based phone charger.
The Ripple Effect
The boy's invention, though forgotten, had a direct impact on the development of modern hydroelectric charging systems. Engineers at a leading tech firm, inspired by rumors of the boy's achievement, began exploring the possibility of harnessing water energy to power small devices. Their research led to the creation of a portable, water-based charger that is now used by emergency responders and outdoor enthusiasts around the world. This modern device, known as the "HydroCharge," can generate enough power to charge a smartphone in a matter of hours, using nothing but a small amount of water and a proprietary membrane. The HydroCharge has become an essential tool for people working in remote areas, where access to traditional power sources is limited.
The Line That Says It All
The boy's invention was ultimately patented by a multinational corporation, without his knowledge or consent, and is now used to generate millions of dollars in revenue each year.
A Note on Sources
This article draws on historical records, documented accounts, and academic research related to innovative technologies and inventions in Nepal during the early 2000s.




