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Added more lights

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Added more lights

Postby viking » Sun Mar 22, 2020 12:04 am

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Re: Added more lights

Postby scenicjetboats » Wed Mar 25, 2020 5:54 pm

You can never have to many. Looks good.
2006 North River Commander X 21.5'
6.0 L Vortec
212 Hamilton
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Re: Added more lights

Postby Hell Yes » Wed Mar 25, 2020 10:41 pm

With lights , the higher the voltage , the higher the wattage output. your lights are rated for up to 24 volts dc. A boat alternator puts out about 13.5 volts.If you hooked up 2 batteries in series you would have full wattage and could melt the rocks before you hit them.! but your switches would also melt. :Laugh1:
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Re: Added more lights

Postby viking » Wed Mar 25, 2020 11:06 pm

Good point. How about this up-converter in the relay's heavy wire circuit only.

https://www.ntctrading.net/shop/12v-to-24v-dc-to-dc-step-up-converter-3a-5a-10a

This will double the amperage on the 12 volt side of the converter, so attaching it to/near the fuse panel will be preferred. Yet another thing to buy.
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Re: Added more lights

Postby viking » Sun Mar 29, 2020 3:09 pm

Rather than buy a voltage up-converter, I decided to put The Hell Yes Hypothesis to the test. Results: light output is identical at 12 and 24 volts. So we conclude that the primary benefit of higher voltage is lower amperage and therefore a smaller wire.
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Re: Added more lights

Postby Hell Yes » Sun Mar 29, 2020 6:53 pm

What was your voltage to the lights? Maybe LED lights are not the same. i know as for a resistive element the higher the voltage the higher the wattage output. But that is ac voltage not dc. maybe that is the difference. I work with ac most often not dc.Damm, i was wrong again.!!! :o
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Re: Added more lights

Postby viking » Sun Mar 29, 2020 7:09 pm

I had two loose boat batteries, so it was easy to test 12 and 24 volt. I did observe a distinctly sharper "spark" when connecting to 24 volt. This implies that the batteries were in fact in series rather than parallel. I didn't look up LED theory, but it may be simply that there's a minimum voltage to activate them, and a higher voltage where they explode or something. But generally we can conclude they are not a textbook resistive element. I don't think this is a DC versus AC thing; it's more like LEDs don't behave like tube resistors.
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Re: Added more lights

Postby Hell Yes » Sun Mar 29, 2020 8:18 pm

Being a diode they may limit voltage. i am not a electronics wizard.You may need a lazer to melt the rocks.https://www.quora.com/What-limits-the-m ... -LED-light
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