Are you getting sick and tired of your stock converter / battery charger? If your converter isn’t up to snuff, maybe it’s time for an upgrade. In this video, YouTuber slworking2 outlines the process for upgrading your converter / battery charger to a Progressive Dynamics PD4655 4600 Series 55 Amp converter.
He lays it out pretty simply in my opinion, though I’m far from an expert. I’ve heard a lot of people talk about a way to convert their RV battery charger, but not many seemed to know how to do it. This video makes the upgrade a little clearer to me. The PD 4655 is very highly rated on Amazon.com and they also offer free shipping on this unit if you’re interested in purchasing one.
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How to upgrade your converter and battery charger to a Progressive Dynamics PD4655.
A couple of commenters noted that the wiring shown in the video may not be suitable for high current (greater than 55 amp) charging. In fact, after a comment from another experienced RVer, slworking2 upgraded the wiring to a heavier gauge, solving the voltage drop issues he was having.
Here’s the pertinent comment from YouTube user awboater:
One issue you will have is your converter-to-battery wiring is not likely sufficient for high current (55amp) charging. It looks like the wiring is perhaps 10AWG, but say it is even 8AWG. With a 10ft cable distance to the battery, there would be more than a 0.5VDC drop in voltage at the battery. Since the battery charge rate is dependent on the voltage delta, a 0.5V loss is significant to the charge current.
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