Replacement Converter for 2022 Grand Design 2500RL that is Lithium Battery Compatible

Question

Question:

We have a 2022 GD 2500RL and want to upgrade to a lithium battery. I want to get full use out of the Lit. Bat. so looking to upgrade the converter. Can you recommend a plug and play converter from eTrailer? Thanks, Jeff

asked by: Jeff G

0

Expert Reply:

Hey Jeff, we have a replacement 80 amp converter with the part # PD89RR which is lithium battery compatible. This would do a great job keeping your batteries topped off and charged. Or did you have a panel that you were wanting a replacement lower section for?

expert reply by: Jameson C

0

Jeff

5/13/2025

Thanks Jameson C, Just looking to upgrade the converter to get full use out of a lithium battery when we upgrade. Thanks, Jeff

Jameson C.

5/13/2025

@Jeff No prob, glad to help!

Answer 1

To change the battery mode on the Progressive Dynamics 9300 Series RV Converter Charger #PD79RR you'll need to insert the included CLAW tool into the small opening next to the battery type indicator light. Press and hold that button (using the…

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Answer 2

Your older PD9145C charger delivers 45 amps of DC charging power at 13.6 volts DC. (For AGM batteries) This converter/charger requires 725 watts of AC power to operate. It also needs to be on its own AC circuit. The Progressive Dynamics #PD79RR…

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Answer 3

Hey Lars, I would go with a higher rated Progressive Dynamics converter like the #PD79RR which is rated for 60 amps because while your RV has 30 amp power that's on the AC power side of things and this converter takes that AC and converts it to…

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Answer 4

Hey Jeff, the difference is that the Progressive Dynamics Converter Charter part #PD79RR would charge your lithium batteries at 60 amps compared to 45 amps like the #PD69RR so would charge it quicker. So if the battery was totally dead it would take…

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Answer 5

Hey Gary, thanks for the information. Since you've upgraded to LiFePO4 batteries, I recommend upgrading your converter to the Progressive Dynamics 9300 Series RV Converter Charger item #PD79RR. This delivers 60 amps of DC charging power at 14.6…

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Answer 6

You will be able to use either the Progressive Dynamics Inteli-Power RV Converter and Battery Charger 60-Amp #PD79RR or 45-Amp #PD69RR to charge your lithium battery. The difference is going to come down to the maximum rate of charge that can go to…

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Answer 7

Hey Steve! Yes, the #PD79RR is the same as the Progressive Dynamics PD9360V. The #PD79RR is just our part number. This is a great replacement for your WFCO WF-9855 and is compatible with flooded lead acid, AGM, and LiFePO4 batteries. If you need…

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Answer 8

The Progressive Dynamics 9300 Series Battery Converter Charger #PD89RR has the different plug as it requires plugging into a 20 amp circuit. This is due to having the higher output which requires additional power into the unit. Since you currently…

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Answer 9

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 10

Thanks for the picture! I checked with Progressive Dynamics the replacement power converter you need for your Parallax Series 7300 Model 7345 is the Replacement Converter for Parallax/Magnetek or WFCO RV Power Centers - 45 Amp item #PD4645V.

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Answer 11

Since the pin weight of your camper is 2.1k, I recommend going with the LoadLifter 5000 opposed to the 7500. While technically there is not reason you couldn't use the 7500 kit, it really is not necessary for a camper like yours. Generally the…

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Answer 12

Yes, it will work. You'll just need to cut the Lance 6-pin connector out and rewire it into the etrailer Trailer Wiring 7-Way Upgrade Kit w/ Junction Box and RV Style Connector item #e99011. Here are the individual functions of that Lance 6-pin:…

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Replacement Converter for 2022 Grand Design 2500RL that is Lithium Battery Compatible

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