WF-8955-AD-MBA 55 Amp RV Power Center Main Board Assembly

55A STABLE POWER | 1-YEAR WARRANTY | PLUG-AND-PLAY

WFCO 8900 Series - Ideal for RVs, Travel Trailers & Mid-Size Battery Banks

Key Features

55A Continuous DC Output

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

4-Stage Smart Charging

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

Certified Safety Protection

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

High Energy Efficiency

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

Drop-In Installation

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

Universal AC Input

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

Technical Specifications

Parameter	Specification
Output Current	55 Amps continuous (12V DC)
Input Voltage/Frequency	90-130V AC, 50/60Hz (universal input)
Output Power	780 Watts continuous \| 1000 Watts peak
Output Voltage Range	Lithium:14.2-14.6V DC \| Lead-Acid:13.6-14.4V DC (adjustable)
Power Conversion Efficiency	≥85%
Dimensions (W×H×D)	7.25" × 4.125" × 2.5"
Net Weight	5.6 lbs (2.54 kg)
Reverse Protection Fuse	35/35 Adc
Converter Type	4-stage smart charger (bulk/absorption/float/maintenance)
Warranty	1 Years Limited Manufacturer's Warranty

Compatibility & Replacement

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

Important: Ensure RV DC wiring is minimum 4 AWG to support 55A continuous current and prevent overheating or performance degradation.

Warranty Information

1-Year Limited Warranty

Important Installation Notes

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.

SHIPPING
RETURN
CONTACT

SHIPPING

We only ship to U.S. 48 states physical addresses only. Please make sure that your PayPal account is verified and address confirmed. There will be No exceptions made to ship to P. O. box addresses.
For all California Buyers will be required to pay Sales Tax of 9.5%.
eBay provides the most secure and easiest way to checkout immediately after auction close. Simply click Pay Now button to proceed payment.
We will processed your order and provide tracking number within 48 hours (except weekends and holidays) after payment "is received correctly. Usual transit time is 2-8 days, depends on destination.
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 eBay.
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 feedback.
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: