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Old 04-20-2016, 12:10 PM   #1
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Converter or inverter?

I'm replacing all the electrical.
All my appliances will be electric- 120v.
Which would work in this case-converter or inverter?
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Old 04-20-2016, 12:20 PM   #2
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You will definitely need a converter to charge your batteries and power the 12 volt DC functions of your trailer.

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Old 04-20-2016, 12:22 PM   #3
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Converter or inverter?

Inverter.

I did the same thing, all of my trailer is 120 except for the water pump and the porch lights.

However, you will need a good charger to keep your inverter batteries in good shape.

I just installed a 45 amp smart charger this week after stumbling along with a ten amp dumb charger for a couple of years.


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Old 04-20-2016, 06:32 PM   #4
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How much room do you have for batteries?
Do you plan to always have shore power ?
If so. You don't need an inverter. Only a converter for the 12 volt devices that remain.. ie water pump, furnace, lights. The converter will also charge the house battery(s).
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Old 04-20-2016, 06:43 PM   #5
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Quote:
Originally Posted by rugjenkins View Post
I'm replacing all the electrical.
All my appliances will be electric- 120v.
Which would work in this case-converter or inverter?
Which one you need depends on what you are trying to do.

A converter changes shore power, ~120v AC to ~12v DC, to charge batteries or power 12v appliances.

An inverter changes ~12v DC stored in the battery (or provided by solar) to ~120v AC to power 120v AC appliances. You will need a substantial battery bank to power a few appliances.

add edit:
You must have a battery to operate the accidental disconnect emergency brake, so you must have some way to charge that battery. You will need the converter.
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Old 04-20-2016, 10:53 PM   #6
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We mostly camp with shore power 99% of the time. The battery or batteries will go under my bed in the rear.
Suggestions and advice needed. I want to hear what y'all have done on yours. So I can way it all out. Thank you at all who have replied- J Morgan, TG Twinkie, A W Warn and moose tags
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Old 04-21-2016, 01:30 AM   #7
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Converter or inverter?

As I mentioned above, I have hardly any 12 volt anything.

I run household light fixtures and residential propane fired appliances, (electric refrigerator).

I run two 100 amp hour batteries that power an inverter that will run everything but the air conditioner.

I use two double throw double pole switches that allow me to control the input to the entire breaker panel.

I can select shore power, inverter, or generator with these two switches.

I use the inverter when traveling to run the refrigerator in the day and the lights at night. On a typical travel day my tow vehicle will run the fridge and recharge my batteries sufficient for an overnight stay to mid morning unless I need to run the furnace a LOT.

It isn't a setup that is ideal for a lot of boondocking without a generator, but for my use it works well. (My use is from shore power to shore power with a couple of travel days and nights in a Lowe's or Home Depot parking lot in between. I always carry a generator, but don't really use it unless it is real cold or hot outside.)


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Old 04-21-2016, 11:06 AM   #8
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J Morgan, thank you for the details. I have looked at many of your posts on your electrical setup. The detailed info here really brings some understanding. If I have more questions on setup Id like to pm you.

Thanks,
Matt Jenkins
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Old 04-21-2016, 03:16 PM   #9
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Anytime!

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My "transfer switch"


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Old 04-21-2016, 03:52 PM   #10
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Wow that looks great! The buttons look huge.
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Old 04-21-2016, 05:13 PM   #11
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Matt,

I am still a little confused with your plan. Here is the way I see it.

Unless you change EVERYTHING to 110 you will need a converter. A good converter not only changes your 110 to 12 volts but it also charges your battery. Are you going to have a 110 v water pump? Are you changing out the fridge for an apartment style that runs on 110? An RV refrigerator has a board that runs on 12 v.

Now, if you are planning on doing a lot of boondocking you could use an inverter to run your 110 appliances from your batteries. You will need good batteries and perhaps even a solar charging system to help out. J Morgan is doing this I think.

You mentioned that you are almost always hooked up to shore power. If that is the case, I don't think you will have the need for an inverter. I carry a generator to power up the 110 appliances when I am not connected to shore power.
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Old 04-21-2016, 06:08 PM   #12
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You could go with an inverter/charger such as a Magnum. If you're running all AC appliances, be sure to get a large enough inverter (and battery bank if planning any off grid even for a night). Probably should also go pure sine wave (more expensive).
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Old 04-21-2016, 06:23 PM   #13
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Frig will be a residential unit.
Water heater will be a tankless.
Water pump 12v
Stove is gas

I'm still weighing all options. I originally leaned toward the converter! J Morgans setup intrigues me because it seems backwards.( not saying that it is, I'm just lacking in understanding) So I'm studying the layout. I do like that his tow vehicle runs his frig while in tow. I would like to install solar too and most systems use an inverter from what I can tell.
I've learned there is more than one way to skin a cat!

My biggest concern with the inverter setup is- I'm in the south and the a/c is not an option but a must!
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Old 04-21-2016, 06:25 PM   #14
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I do plan on traveling the country soon so they maybe nights I'm in transit in a lowes.
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