Which Converter Will Charge Batteries And Power Electronics In DIY Off-Grid Camper Build

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Question:

I’m doing a cargo trailer build and don’t have a power center. Which of these WFCO converters makes the most sense?

asked by: Ryan

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Expert Reply:

Hey there Ryan, since these are standalone deck-mount converters, they’re actually perfect for a cargo trailer build where you’re using a simple DC fuse block instead of a full power center which usually has a built-in converter.

- # WF58FR 45A is great for light-duty builds - LED lights, fan, small fridge.

- # WF38FR 55A works well if you’ve got two batteries or expect moderate loads.

- # WF56FR 100A is more for large lithium banks or heavier off-grid use.

The choice really comes down to your battery size and how fast you want to recharge when plugged into shore power or running a generator. What size battery bank are you planning to run in the build?

expert reply by: Andrew N

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Answer 1

Good question, Matt - and this is where a lot of people mix up AC shore rating with converter rating. The WFCO 100a converter #WF56FR is rated at 100 amps on the 12V DC output side going to your batteries and loads, not on the 120V AC input side. On…

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Answer 2

Yes Dana, absolutely. The #WF38FR 55A refers to DC output, not shore power draw. It will work perfectly in a 30-amp RV as long as it’s plugged into a properly protected 15A AC branch circuit and you have at least 6 gauge or thicker wires going to the…

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Answer 3

Hey Brian - if you’re replacing a WFCO 45A standalone converter/charger, the direct Auto-Detect replacement would be the #WF58FR. That keeps everything in the same output class and is usually a straightforward swap. That said, many people take this…

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Answer 4

Hey Andrew! Yes, Furrion does have a Chill Cube model with a heat pump. This was actually just released for aftermarket sale. You will need a complete system to make the switch, new R32 units aren't backwards compatible with old R410A systems.…

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Answer 5

Hi Paul, you’re definitely on the right track here, and I can help you narrow this down with confidence. With your tandem 3,500 lb Dexter axles and 33 inch spacing, both the Dexter EZ Flex part #K71-652-00 and the Lippert Road Armor part #LC53CK are…

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Answer 6

Good question, Tyler. Yes - the WFCO RV converter power center #WF86FR 55A will recharge a battery bank faster than the #WF46FR 40A, especially during bulk charging. That said, the difference is most noticeable when: -You’re running dual batteries…

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Answer 7

Hello Bruce, Thanks for writing in! Using butyl tape between the trailer body and the Single Axle Jeep Style Trailer Fender - Diamond Plate Aluminum - 13" to 15" #HP96VR is exactly the route I would go. It stays flexible, creates an…

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Which Converter Will Charge Batteries And Power Electronics In DIY Off-Grid Camper Build

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