Hi all:
Someone sent me this website, for a headlight, that they found. Looks like you can get all the part at HomeDepot. Take a look.
http://bike-recumbent.com/headlight.shtmlI'm in the process of building one. Will let you know how it works.
Will be using a 12v.7ah sla battery.
Bikehead
If gas was free,I would still ride my bike.