Blue Freedom Hydropower Plant
A small generator that creates power from running water using a microturbine. The electricity is stored in a 5,000mAh power bank, which has two USB ports – 1A and 2A – and an LED light. Skip to 2:30. More here.
Crowdfunded projects pose a degree of risk for buyers, so be sure to do your research and fully read the seller's detailed description and production plans before plunking down your hard-earned money.
Advertisement
Advertisement
