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Redarc In-Vehicle Dual Input Battery Charger – 25 Amp by Redarc (Battery Chargers)
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Full transcript: https://www.etrailer.com/tv-install-redarc-in-vehicle-battery-charger-331-bcdc1225d.aspx
Speaker 1: Today we’ll be having a look at, and showing you how to install the Redarc In-Vehicle DC to DC Battery Charger with dual inputs, part number 331-BCDC1225D. Now the main reason you’re going to want a batter charger like this one installed in your trailer is that this will maintain and charge your batteries in your trailer up to 100%, making sure they are fully charged when you arrive at your destination. Unlike our traditional charging systems that we run through the 7 way connector on the front of your trailer, those only get your batteries to about 80% of their capacity. This will get you all the way there.This charger will work with 12 or 24 volt battery systems. It will provide up to 25 amps of power output to maintain the charge of your batteries. This battery charger is compatible with your standard alternators from your tow vehicle, as well as variable voltage, or what are commonly known as smart alternators as well.
This charger is a dual input battery charger. It does DC to DC charging, and the way that works is when you’re hooked up to your truck, it will use the alternator to fully charge your batteries. Additionally, you can hook up a solar panel to it, to maintain the charge of your batteries, and fully charge them when the trailer is not even in motion and is sitting parked. If you have a solar panel installed, it will use that to its fullest ability before taking any additional power from your tow vehicle. If you do decide to hook this up to a solar panel, it will work with unregulated solar panels that supply between 9 and 32 volts of power output.To begin our install, we need to locate the batteries that we want to be charged while driving.
In our case, we’re working on a fifth wheel trailer, and our batteries are in the front storage compartment. We’ll need to locate a spot to mount our charger, where it will be able to make our connections to our batteries using our cables. We’ve chosen this area here against the bulkhead of our trailer. It’s right behind both of our battery boxes, so it gives us easy access to the batteries to make our connections, and it will be out of the way of any cargo that is stored in this compartment.We’ll start by marking our bottom location where the holes go, to secure it into place. Okay, with the bottom locations marked, we can get the charger out of the way, and we’ll make 2 pilot holes there.
We’ll now secure it into place using 2 self-tapping screws. We’ll put 2 in the top, just to help support the weight. You will have to provide your own self-tapping screws. Now we need to find a way to get a power cable like this to our charger that we’ll be able to attach to our vehicle that’s doing our towing. In our case, we’re going to route our cable along side this 7 way wire, that goes to our truck, and we’ll have another attachment point on our truck next to the 7 way, where we can plug the power in next to it.Your application may vary from doing this on a fifth wheel, or a standard trailer, or any other type of trailer.
What we’re going to do is we’re going to have a pull wire that we’ve already routed through here, next to where our 7 way cable comes out, into our battery compartment, and we’ll use that to pull our power cables through. Here we got our cable pulled through now, and we have it zip-tied to our 7 way wire, so we’ll have 2 leads sticking off, one being our positive and one being our ground, and we’ll have 2 separate connectors that will plug into the back of our truck.In order to make our connection to our truck that’s pulling our trailer, we’re going to install a wench connector here. It’s a quick disconnect, and this will allow us to easily plug into our truck and unplug quickly and easily. This for 6 gauge wire, and we’re using 6 gauge wire on our install here, so these are going to wor