Have you ever been stuck outdoors without a solar charger or emergency power bank to recharge your phone? The Waterlily can help with that. It is a micro turbine that lets you recharge your USB devices with water and wind. Simply place it in any moving water or expose it to wind gusts to get the job done.
Waterlily is compact and lightweight enough to easily fit in your backpack. It even lets you work the hand crank accessory to charge your phone.[where to get it]