WF-8955-AD-MBA 55 Amp RV Converter Charger Board for Travel Trailers/Mid-Size RV For Sale - New and Used

Delivers 55 Amps stable DC power (780W) to run standard RV appliances, lighting and charge mid-size battery banks reliably.

Auto-detects LiFePO4, AGM, flooded & gel batteries, optimizing charging cycles to extend battery service life.

UL 458/RVIA compliant with overcurrent, reverse polarity, over-temperature and surge protection for safe operation.

≥85% power conversion efficiency reduces energy waste and heat, suitable for on-grid and occasional off-grid use.

Direct replacement for WF-8955 power centers, 15-minute install with no wiring modifications required.

90-130V AC (50/60Hz) input compatible with global power sources, perfect for international RV travel.

• Direct replacement for WF-8955 RV power center main boards
• Full compatibility with all WFCO 8900 series power centers
• Backward compatible with WF-8945/8935 power centers (power upgrade)
• Replaces Parallax 7155/7145 main boards (adapter included)
• Cross-compatible with WFCO 9800 series low-power models

• Disconnect AC power and battery terminals before installation to prevent electrical shocks or short circuits.
• Recommended for lithium battery banks 150Ah+ or RVs with standard-wattage appliances (refrigerator, lighting, small pumps).
• Use only 4 AWG or larger DC wiring for 55A continuous operation to ensure stable performance and avoid overheating.
• Do not modify the board's circuitry; unauthorized modifications will void the 3-year limited warranty.
• Store the board in a dry, cool environment before installation to avoid moisture damage to internal components.

If you have any problem about your payment or shipment, please contact us to solve your issue immediately.
RETURN

If buyer receives any damaged, defective, or incorrect item, we will issued a return label.
If any package needs to be returned, please contact customer service to receive an RMA form.
For refund or exchange, package will need to be returned within 30 days.
Any item that are return after 60 days, our Return Department reserves the right to reject the return/exchange item.
If any replacement is out of stock or on back order, our Return Department will issue a refund to customer.
Any item that is approved for return or exchange MUST be in brand new condition.
Item must never have been installed and needs to be kept in the original packaging.

CONTACT

If you have any questions that have not been answered in this ad, please feel free to contact us thru .
By clicking "Contact seller" in "Seller information" on top right corner,
your questions will be replied on the following business day in the order it was received.
Office Hour: Monday - Friday, 8:30am to 5:00pm PST
Buyer satisfaction is our main objective. If for any reason, you feel that our service is not of the highest quality, please contact us before leaving a negative response.
We are closed during weekend, no emails will be replied during weekend and holidays.

On Apr 2, 2026 at 02:56:36 PDT, seller added the following information:






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