There are already plenty of decent power banks that can extend your phone’s battery life on the go. The Aytech Hand Crank Solar Smartphone Charger takes it to the next level. It has a 10,000 mAh battery to charge your phone. It has dual USB charging ports, a solar panel, and a hand crank mechanism, so you can generate power for your devices anywhere.
This solar hand crank charger has a waterproof, shockproof design. It also has LED flashlight to get you unstuck in the dark. This emergency power bank is compatible with various iPhone and Android smartphone models.[where to get it]