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Upgrading Progressive Dynamics PD9260 Converter Charger To WFCO Auto-Detect For Lithium  

Published 02/17/2026



Question:

I have a Progressive Dynamics PD9260 in my 30A camper. Can I switch to one of these WFCO Auto-Detect units? I have lithium batteries.

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Expert Reply:

Good question, Alan.

The Progressive Dynamics PD9260 is a 60-amp standalone converter, and you’re in that mid-to-upper output range.

If you want something similar but with WFCO’s Auto-Detect lithium feature, the closest match would be the # WF38FR 55A. It’s slightly lower output than 60A, but in most 30-amp travel trailers that difference isn’t noticeable.

If you're also expanded your battery bank or want even more charging capacity for generator runs, the # WF56FR 100A becomes an option - but that’s typically reserved for larger lithium banks and requires heavier DC wiring and a 20-amp AC supply. You'd need to check to see if your current electrical setup is rated for 20a - it's likely rated for 15a which means the wiring and breaker would need upgraded to use the 100a converter # WF56FR

What size battery bank are you running right now? And did your old converter/charger stop working or just looking to update it?

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Andrew N
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