Home CRAFTS Self-Built Water Powered No Battery LED Flash Light

Self-Built Water Powered No Battery LED Flash Light


This DIY flashlight never runs out of batteries, water is all around us and will never run out.In this video, I show you how to generate electricity using water and make a powerful flashlight.

source/image: Skill Make

To generate free energy using water, I use the reaction between aluminum and activated carbon.And because the output voltage is low and the LED consumption voltage is high, I use a booster module to increase the output voltage.

Simply dip the hydracell in water for 10-15 seconds to activate, the light will function while the internal cell is hydrated.


It works like your typical battery but uses water as its electrolyte.If tap water is added, the little gadget works for 30 minutes, while using salty water makes your surroundings brighter for 2 hours.