Replacement Converter Charger for a WFCO WF-9855
Updated 09/02/2025 | Published 06/17/2025
Question:
Im looking to replace a WFCO wf9855AD with a lithium compatible progressive dynamics floor mount. Would I want the PD9630? WFCO will not auto detect lithium batteries. Thank you!
asked by: Ron Y
Expert Reply:
Hey Ron. To replace your WFCO WF-9855AD and it is a 55 amp charger, you'll want the Progressive Dynamics 9300 Series RV Converter Charger item # PD79RR.
The Progressive Dynamics item # PD79RR is rated at 60 amps and is compatible with flooded lead acid, AGM, and LiFePO4 batteries. It doesn't switch automatically. However, once you press the mode button and turn the LED light blue it will stay on a lithium charging profile.
What kind of trailer or RV do you have?
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Product Page this Question was Asked From
Progressive Dynamics 9300 Series RV Converter Charger - 12V - 60A
- RV Power Converter
- Converter Only
- No Battery Mode Switch
- 12V
- 60 Amps
- AGM
- Lead Acid
- Lithium
- Single-Stage Charge
- Progressive Dynamics
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Jerred H.
9/2/2025
Hey Ron, did the Progressive Dynamics 9300 Series RV Converter Charger work out for your setup? I’m curious to know how it performed with your trailer or RV, as it could help others make the right choice.