what are the bests LED's to use to be seen at a distance and to also not use a lot of battery power?

I am building a light pole for my kayak and don't want to pay $60 for the premade ones. I am looking for very bright LEDs that can run on batteries without a large consumption of power. We stay out on the water up to and over six hours.

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ramroids558 years ago
You could use ultra bright ones. I would pick a red or green LED since they are easy to see at night. You can run these off of a 9v battery, or use a Battery pack to power them

http://cgi.ebay.com/100-Pcs-5mm-Red-Blue-Green-Yellow-White-Amber-LED-Light_W0QQitemZ110383173587QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item19b3598fd3&_trksid=p4634.c0.m14.l1262&_trkparms=|293%3A1|294%3A30

The regular white/blue ones are brighter.
They may be brighter, but Red/green are easier to see at night from a distance. And you wanna make sure at night you can be seen while on the water, so other boats dont run into you, etc. But as for lighting up the kayak so he can see, yes, the white ones are better.
Atomman8 years ago
Hm... I would buy regular color normal or ultra bright. If you want less power, I would suggest making an LED joule thief.
marty300x2 (author)  Atomman8 years ago
what is an LED joule thief?
honestly folks, has no one heard of google? i thought it was pretty well known.