2) In general what has been your experience with LED based navigation
lights?


Took a lopolight across the Atlantic this year, worked fine as far as I
know. I certainly had to use less engine charging time.

I don't think they're too expensive, given the amount of charging time
they save, and I always seemed to be putting a new bulb in the old one
every year, and paying money for a fir young lad to climb the mast. A
very nice bit of kit, I think.