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Lithium Compatible Converter To Replace WFCO WF-9855  

Updated 10/03/2024 | Published 10/02/2024

Question:

RRI have a 2019 Winnebago with a Mini plus 27RBDS whith a WFCO WF-9855 converter. I upgraded to 2 100-amp lithium batteries however it seems my current converter does not charge lithium batteries. Will the Progressive Dynamics 9300/ PD79RR be a direct replace my converter?

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Expert Reply:

Hello Victor, thanks for reaching out. The Progressive Dynamics 9300 Series RV Converter Charger # PD79RR will work great for replacing your WFCO WF-9855 converter. We recommend this model as a replacement quite frequently in fact, since it has the lithium charging profile.

That said, this is technically not a direct replacement for your unit, so some modifications to the mounting may be needed depending on how much space you are working with. The Progressive Dynamics # PD79RR is 8" long x 9" wide x 3-5/8" deep.

expert reply by:
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Jesse M
Vic profile picture

Vic

10/3/2024

Jesse, thanks for getting back with me. My current charger is 8.75 long X 6 wide at the base and 4 inches high. I do have plenty of room to play with. It appears that I may have to move the mounting holes inboard a few inches but I don't foresee an issue with having to do that. Are the connections the same as my current unit?

Jesse M. profile picture
Etrailer Expert

Jesse M.

10/3/2024

@Vic Yes the connections are the same. It sounds like space is not an issue either so the # PD79RR will undoubtedly work for you.
Vic profile picture

Vic

10/3/2024

@JesseM Thanks Jesse, much h apprectated.
Jesse M. profile picture
Etrailer Expert

Jesse M.

10/3/2024

@Vic You are most welcome! Come back anytime you need anything.

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