Solar-Powered Rechargeable Phone Battery

I created a compact solar-powered rechargeable battery that can be taken on-the-go and used to charge smartphones. This project is made up of two elements: the circuit and 3D-printed enclosure.

My step-by-step process is documented on this Google site:
https://sites.google.com/s/0B5-B9G7QADdmTkQxOVBZaXVzZ1k/p/0B5-B9G7QADdmUFpJa2RvSU4wQ28/edit