Upgrading To Lithium Batteries In RV - Do I Need To Replace Power Center Or Converter?
Updated 01/13/2026 | Published 01/07/2026
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Question:
If I’m switching from lead-acid to lithium batteries, do I need to replace my entire power center or just the converter?
asked by: Natalie
Expert Reply:
Natalie, that depends on how your RV is set up. If your existing power center has a converter that isn’t lithium-friendly and can’t be replaced on its own, swapping the entire power center can be the cleanest solution.
Units like the PowerMax 45A # PM47VR, 55A # PM67VR, and 60A # PM77VR support lithium batteries and let you adjust charging behavior, so they’re often chosen when upgrading from older WFCO power centers like the WF-8945, WF-8955, or WF-8900 series.
If your current power center allows a converter-only swap, that’s another path - but many people prefer the all-in-one upgrade for simplicity. If you can get me the part number of your power center or at least some more info, I can see what the best plan of attack would be for you.
Product Page this Question was Asked From
PowerMax 30A RV Power Center and Distribution Panel - 45A DC Converter
- Power Converter
- Converter and AC/DC Panel
- Manual Switch
- 12V
- 45 Amps
- AC to DC
- AGM
- Lead Acid
- Lithium
- RV
- Multi-Stage Charge
- PowerMax
more information >
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Micky
1/13/2026
Mine is an older WFCO panel and I don’t think the converter section can be swapped separately.