Battery Charger Replacement Help!

There isn’t a converter. This is a custom job with a battery charger.

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Very possible, but can you you give us a bit more information to help give an informed opinion.

Is there a fuse box of any sort in the trailer?

Is the charger and fuse box one assembled unit or are they separate?

Does your trailer have electric brakes and you have a brake controller in the tow vehicle? Or does the trailer use a flat 4 wire plug to connect to the tow vehicle? I'm asking only because the battery has to be present and connected for the breakaway system (if equipped) to work when towing.

Can you post a picture of the front of the converter or fuse panel if equipped? You can try using the photo and hosting page for that. When using the link make sure you click on the "full size photo" checkbox and copy the entire address into your post. If you still can't get the photos to post then just post them like you did before and I or somebody else on here will move them for you. Photo posting link.

Here's a link to BestConverter.com. You might try clicking on the "Ask Randy" link at the top of the page and talk to him. He's supposed to be very knowledgeable about the systems. But my guess is he'll need some kind of model number off the converter panel.
Link

I’m just wondering if I can use a new charger, adapt the battery connection to the plug in connection and call it good?

Not sure why the knife switch is there. The charger is VERY old so assuming it could only charge one at a time. I never have two batteries. I mostly use electric but to complete the circuit I need to have a charger.

It looks like you have a knife switch that you flip to select either the right or left side battery. What is the purpose for the switch? Is it to use only one battery at a time and keep the second in reserve? Or was there a limitation with your original charger and you could only charge one battery at a time.


Here's your pictures. I think Apple is preventing direct linking from websites so i copied them into the RV.net hosting site.

Click For Full-Size Image.

Click For Full-Size Image.

can you get the model number of your "converter" and post it?
Most converters have different charge rates depending on battery requirements and do have a trickle charge rate.