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Warranty: 1-Year Limited Warranty
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Customer Service: We respond to all inquiries within 24 hours.(Monday to Friday)
Details
WF-9855-MBA 55 Amp RV Power Center Main Board Assembly
55A STABLE POWER | 1-YEAR WARRANTY | PLUG-AND-PLAYWFCO 9800 Series - Ideal for RVs, Travel Trailers & Mid-Size Battery Banks
Key Features
55A Reliable Stable Output
Delivers 55 Amps continuous DC power (780W) to run standard RV appliances, lighting and charge mid-size battery banks steadily.
Intelligent 4-Stage Charging
Auto-detects LiFePO4, AGM, flooded & gel batteries, optimizing charging to extend battery service life and performance.
Certified Safety Protection
UL 458/RVIA compliant with overcurrent, reverse polarity, over-temperature & surge protection for worry-free operation.
≥85% Energy Efficiency
High conversion efficiency reduces energy waste and heat, suitable for both on-grid stays and occasional off-grid use.
Easy Drop-In Installation
Direct replacement for WF-9855 power centers, 15-minute install with no wiring modifications or professional tools needed.
Global Universal Input
90-130V AC (50/60Hz) input works with international power sources, perfect for cross-border 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) |
| Efficiency | ≥85% |
| Dimensions (W×H×D) | 7.25" × 4.125" × 2.5" |
| Weight | 5.8 lbs (2.63 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-9855 RV power center main boards
- Compatible with all WFCO 9800 series power centers (9835, 9845, 9855)
- Backward compatible with WF-9845/9835 power centers (easy power upgrade)
- Replaces Parallax 7155/7145 main boards (with included adapter)
Important: Ensure RV DC wiring is minimum 4 AWG to support 55A continuous current and prevent overheating or performance degradation.
Warranty & Customer Service
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 avoid overheating and ensure stable performance.
- Unauthorized modifications to the board's circuitry will void the 1-year limited manufacturer's warranty.
Copyright©2017 DataCaciques
Details
WF-9855-MBA 55 Amp RV Power Center Main Board Assembly
55A STABLE POWER | 1-YEAR WARRANTY | PLUG-AND-PLAYWFCO 9800 Series - Ideal for RVs, Travel Trailers & Mid-Size Battery Banks
Key Features
55A Reliable Stable Output
Delivers 55 Amps continuous DC power (780W) to run standard RV appliances, lighting and charge mid-size battery banks steadily.
Intelligent 4-Stage Charging
Auto-detects LiFePO4, AGM, flooded & gel batteries, optimizing charging to extend battery service life and performance.
Certified Safety Protection
UL 458/RVIA compliant with overcurrent, reverse polarity, over-temperature & surge protection for worry-free operation.
≥85% Energy Efficiency
High conversion efficiency reduces energy waste and heat, suitable for both on-grid stays and occasional off-grid use.
Easy Drop-In Installation
Direct replacement for WF-9855 power centers, 15-minute install with no wiring modifications or professional tools needed.
Global Universal Input
90-130V AC (50/60Hz) input works with international power sources, perfect for cross-border 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) |
| Efficiency | ≥85% |
| Dimensions (W×H×D) | 7.25" × 4.125" × 2.5" |
| Weight | 5.8 lbs (2.63 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-9855 RV power center main boards
- Compatible with all WFCO 9800 series power centers (9835, 9845, 9855)
- Backward compatible with WF-9845/9835 power centers (easy power upgrade)
- Replaces Parallax 7155/7145 main boards (with included adapter)
Important: Ensure RV DC wiring is minimum 4 AWG to support 55A continuous current and prevent overheating or performance degradation.
Warranty & Customer Service
-
Warranty: 1-Year Limited Warranty
-
Customer Service: We respond to all inquiries within 24 hours.(Monday to Friday)
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 avoid overheating and ensure stable performance.
- Unauthorized modifications to the board's circuitry will void the 1-year limited manufacturer's warranty.
- We only ship to eBay registered address . So please be assuring your address in eBay is correct and valid.
- Please read for your own benefit and understanding on our shipping items
- All the items will be dispatched via UPS/FedEx/USPS.
- We ship the product to PR, AK, HI, GU, AE from China by China Post and USPS packet which can be traced on the site of USPS.
- if you have not received your package as our declaring in description please contact us before you want to leave feedback we can refund money or resend item as your choice.
- We will ship to you within 48 hours after receipt of your order, and we are committed to free international logistics (specified items).
We can accept paypal or credit card
- If you are not satisfied with the item after receiving the item, contact us within 7 days, we will try best to serve you.
- Usually we will cover the shipping except in individual cases.
- Returns allowed for 30 days on unwanted items.
- Item must be unused and unopened.
- Return postage to be borne by buyer if you used the item or demaged it.
- Damaged or Faulty Items - please inform us on receipt and we can arrange for replacements/returns/refunds on an individual basis.
- This does not affect your statutory rights
Copyright©2017 datacaciques
On Mar 4, 2026 at 22:44:12 PST, seller added the following information: