Natural sea salt. Photograph: © SAF – Coastal Care
Excerpts;
The concept of SALt (Sustainable Alternative Lighting), uses saline solution to power LED lamps and a USB port that can charge smartphones.
There are over 7,000 islands in the Philippines and most of these islands do not have access to electricity, thus the main objective of SALt started as a way to illuminate rural communities and help them deviate from the general and traditional use of kerosene
The SALt lamp uses the science behind the “Galvanic cell”, which is the basis for battery-making. But instead of electrolytes, it uses a non-toxic saline solution to make the entire process safe and harmless. In other words, instead of pouring kerosene, you’re pouring saltwater. Instead of lighting up a match, you push an on and off button…
