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Old 11-09-2017, 11:45 PM   #1
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Power converter ?

How do I know if my power converter is a type that will not overcharge the batteries while shore power is plugged in for an extended period of time. I believe the converter currently installed in my 2003 Forest River TH is original to the trailer.

2003 28' Forest River Sandpiper Sport Toy Hauler
2015 Ram 2500 MegaCab, Cummins Diesel 4X4
Southern Calif.
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Old 11-10-2017, 05:53 AM   #2
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Originally Posted by OHVtime View Post
How do I know if my power converter is a type that will not overcharge the batteries while shore power is plugged in for an extended period of time. I believe the converter currently installed in my 2003 Forest River TH is original to the trailer.

If you quote the brand and model number of the converter, someone may be able to give you the correct answer. My guess is that a new converter with the right specifications would give much better performance.

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Old 11-10-2017, 06:00 AM   #3
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Check your model #.. You can also hook a voltmeter up to the 12 volts and measure it..

I swapped out my original single stage converter in my old Mirada a few years ago.. If I were doing this again, I would not remove the old converter, I'd just disconnect it (remove the power and 12 volt wires) and mount the new three stage converter on the floor behind it and wire it into the system..

The new converter didn't boil the batteries, I left the MH plugged in year round when in storage.

The other advantage is the multi stage converter will charge the batteries much faster than the original single stage.

I did a short article on my blog site, with the part numbers and show how I did it..

Upgrading converter to 4 stage – 2001 Coachmen Mirada 300QB

1999 Fleetwood Southwind 35S (Ford F53 6.8L V10 275hp 4R100 4 spd trans) - Toad 2003 Saturn Vue.

It won't do MACH 2, but I can get a sandwich and take a pee.
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Old 11-10-2017, 07:06 AM   #4
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Easiest way is to find out the make and model of converter and post it here.

Option 2 is to google it Make Model Manual

IE: PRogressive Dynamics 9200 manual.

Now I will tell you if it's a PD 9200 You are golden
In fact Most of the Progressive Dynamics are Golden (Though some offer the charge wizard as an option like my 9180, and those are only silver without the wizard)
And if it's a Magnetek 6300 Lead Pure lead.
Home is where I park it!
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converter, power

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