I saw these at an emergency respose/ bioterrorism seminar I was attending 6 months ago and thought they would be perfect for a boat, no batteries and lasts forever. I just ordered two for my boat, a bit pricey, but how many times have you picked up your flashlight only to have dead batteries?
http://www.westmarine.com/webapp/wcs...53729&x=18&y=6
BTW im sure all the males reading this board can handle the motion it takes to operate one of these lights