DESIGN AND DEVELOPMENT OF A PORTABLE MINI WATER HEATER USING BATTERY POWER FOR MOUNTAIN CLIMBERS
Keywords:
Footstep energy harvesting, Faraday’s law, electromagnetic induction, renewable energy prototype, mechanical-to-electrical energy conversion.Abstract
Mountain climbing activities require adequate preparation, particularly in ensuring access to warm water for hydration and preventing hypothermia in cold environments. Conventional heating systems such as gas stoves present limitations, including safety risks, fuel dependency, and additional weight. This study aims to design and develop a portable mini water heater powered by a rechargeable lithium-ion battery as a safer and more practical alternative for mountain climbers. The research employed a Research and Development (R&D) approach using the ADDIE model, including analysis, design, development, implementation, and evaluation stages. The device utilizes a Positive Temperature Coefficient (PTC) heating element connected to a 14.8 V lithium-ion battery with a capacity of 9800 mAh. Experimental results show that the device can increase water temperature from 30°C to 45°C within 50 minutes, demonstrating stable heating performance. The system offers advantages in portability, safety, and environmental friendliness. However, heating efficiency remains moderate. This innovation has strong potential for further development to improve heating speed and energy efficiency.
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Copyright (c) 2026 Dion Nicky Brilian, Budi Supiawan, Azhar
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