In this video you will learn how to build a battery backup that can be used as a camping or emergency power supply.
(You might consider voting for it in the solar contest)
There is not going to be a Part II but all further upgrades can be found on the Instructables page.
Dreams by Joakim Karudhttps://soundcloud.com/joakimkarud
Creative Commons — Attribution-ShareAlike 3.0 Unported— CC BY-SA 3.0
Music provided by Audio Libraryhttps://youtu.be/VF9_dCo6JT4