Well, my first headlight was a disaster! , the battery was empty after 1hr,

There where several designs on the net with a halogen reflector, but it takes too much power IMO for a fair runtime.

The one with a good LED headlight design was Allister, but i`m not that good in electronics, so i bought the LED reflector and did the basic things myself.

You can PM me, if you want the blueprint and partslist.

cheers