There are plenty of portable power stations and power banks that keep your devices charges on the go. Most of them have a rechargeable battery. The YUEDAO Portable Generator takes a different approach. It uses saltwater to generate energy immediately. It is all done through an electrochemical reaction. It is waterproof and buoyant, so you will be able to find it in case of an emergency.
According to the Kickstarter campaign, this generator uses metallic fuel plates that react to oxygen and water to generate electricity. It has a noise rating of 25dB, so it is pretty silent. With 2 metallic fuel plates, you can charge you phone for up to 50 times. You get 15W output power and 500Wh capacity. YUEDAO has 2 x USB, 2 x USB-C out, and a USB-C in port. There are also DC 5521 in and out ports.
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