LED Light bar

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Ozark River Runner

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I have a 2015 60/40 mercury jet. This fall I want to switch my gigging lights over to LEDs so I don't have to run a generator. How many watts can I run off my cranking battery to where the alternator can keep it charged? Also is any body familiar with these lights to know how many lumens would be appropriate to light up the water to gig with?
 
I run 2 50W Seelite led flood light. One of these lights draws around 5 amps at 12V. I run them on a group 27 deep cycle and have gigged for 5 hours on them and the battery was drained down to 65% (little lower then I want but hey) I've been super happy with them. I read a lot about led light and what's best and everybody talked like these flood lights are a better setup then the light bars. The one thing you will for sure want is a warm white light. I had cool white ebay leds before and they have some glare that just throw you off compared to the warm white one.
Here's a review I wrote on these lights. https://www.tinboats.net/member-review-seelite-led-flood-lights/
 
I have had some of the same type of questions rolling around in my head concerning LED lights I would like to add to my boat for night fishing.

I did a little bit of quick research this morning that I hope helps.

The first is a link to a site that helps you calculate the amp hours requirements for a specific amount of light watts at a known voltage. For instance...if you want to run a 100watt LED with 12 volts for 10 hours it will tell you how many amp hours it will take. It even takes into consideration if the battery is used in low temps and/or is older that 6 months. Once you have the amp hour rating you are looking for you match it up to a battery in the size and voltage you need.

https://www.batterystuff.com/kb/tools/calculator-sizing-a-battery-to-a-load.html

The second link is one for a video I found interesting on youtube concerning the current reality of cheap LED's that can be purchased on ebay. I am guilty of buying these and have a very affordable (aka "cheap") pair in my shop that I am disappointed with. I think this one is a must watch.

https://www.youtube.com/watch?v=vbt2ojkXPuo

The third link is just something for fun concerning led lights.

https://www.youtube.com/watch?v=-vgNh3fLxJc

Finally, I have many concerns about the quality of the light emitted from an LED. For some reason it always appears to me that the light does not drive through the atmosphere or water as strongly as an incandescent or metal halide light. I know for a fact I had to use one of my 40Watt LED spot lights this weekend when my normal spot light died on the water. We were getting so much light bouncing back from the moisture in the air that it was useless. It was a clear night in Texas and the incandescent spot light was giving no visual feedback from moisture before it died.

Anyhow....my two cents. Spend it as you see fit.

Rob
 
Thanks for the help guys. That is very helpful. I think I will gives those lights a try. I was hesitant about trying out a light bar off of EBAY and I'm glad I got a second opinion first. Sounds like I wouldn't have been happy.
 

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