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Switching To Lithium RV Batteries - Do WFCO Power Panels Handle That Automatically For Charging?  

Published 02/24/2026



Question:

I’m switching to lithium batteries. Do any WFCO panels handle that automatically? I know my old camper had progressive dynamics one I believe needed to be switched inside, but this converter in new-to-me camper doesn't have the ability to do lithium.

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Expert Reply:

Good morning, Dana!

Yes, you are in luck because the new models use WFCO’s Auto-Detect charging, making it compatible with:
-Lead-acid (flooded and AGM) - 3-stage charging
-Lithium - 2-stage charging up to 14.6V

No switches. No settings. The converter monitors battery behavior and applies the proper profile automatically.

If you’re upgrading batteries and replacing the panel at the same time, it’s a good moment to consider whether you want the 40A # WF46FR or step up to 55A # WF86FR for faster recharge.

What lithium size are you planning to run? And do you know your old model or the cut-out size so we can try to make sure you have minimal trimming, if any?

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Andrew N
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