https://www.youtube.com/watch?v=FbwxaSxw3jo
Go to overunity,com and complete plans are there as to how to build it.
Click overunuty. com, community, then solid state devices,  Magnetman12003 postings,

http://overunity.com/17200/3-7-volt-battery-powers-56-watts/

And even more lights!

https://www.youtube.com/watch?v=FYfbgapZYhc