The world’s “smallest, lightest hydroelectric plant” is the newest way to charge your gadgets outdoors. The Blue Freedom works by capturing the energy of water moving over turbines.
Conceivably, it could be a very strong charging device as moving water is heavy and contains a lot of kinetic energy that can be converted into electricity.
This is the first time we’ve seen a portable hydro-electric generator. It’s a unique departure from the omnipresent solar, wood and hydrogen-based generators.
