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I need to convert 120v to 12v on my boat

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I need to convert 120v to 12v on my boat

Old 05-30-2018, 07:53 PM
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raj
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Default I need to convert 120v to 12v on my boat

what do I need
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Old 05-30-2018, 08:14 PM
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A battery....
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Old 05-30-2018, 08:19 PM
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Seriously though, you’ve already got a 12v system in the boat. What are you trying to power?
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Old 05-30-2018, 08:20 PM
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I just bought a 110 to 12v converter on Amazon. Something like $20 shipped to my door.

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Old 05-31-2018, 04:56 AM
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Need more info . The Current draw is the most important aspect . Low current = Wart. Higher current look into an amateur radio power supply . or a small charger across an AGM Battery .
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Old 05-31-2018, 05:28 AM
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Really need more detail on what you're trying to do.

As others have said, you already have 12v available on your boat, from the batteries. You just need to keep them charged if you're going to be using them. Get a decent marine battery charger that's at least as large as the load you need to run and it will keep the batteries in good shape and power your load.

Don't get a converter. They will provide 12v from 120 but will not charge a battery properly. Too many RV folks have learned this the hard way!!
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