Salt and water. That's all you need to power the Mizusion, a superb quality lamp for emergencies when you don't have access to ordinary batteries or a regular power supply. Just pour salt and water into top of the light and turn it on. The lamp will run for around 80 hours on a full amount of salt and water, providing illumination of around 2,000 lux.
The Mizusion Saltwater-powered LED Lantern features: