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Rectangular metal RV power converter, silver finish, cooling vents, front panel controls, 9.06 inches wide

VEVOR

VEVOR SBC-55A RV Power Converter 55A 120V AC to 12V DC

SKU CH-X4MT-TF8MD

Converts 120V AC to 12V DC at 55A with multi-stage smart charging for 55Ah–70Ah lead-acid and LiFePO4 batteries

  • Width9.06
  • Converts 120V AC to stable 12V DC for RV appliances
  • Dedicated modes for lead-acid and LiFePO4 batteries plus fixed 13.0V, 14.6V, 16.5V outputs
  • Delivers up to 55A continuous current for lights, speakers and other 12V loads
  • Multi-stage smart charging extends battery life across 55Ah to 70Ah banks
  • Compact 9.06 inch width fits tight RV compartments

RV Power Converter 55A

The VEVOR SBC-55A converts 120V AC shore power into a stable 12V DC supply for RV electrical systems. It supports both lead-acid and LiFePO4 battery chemistries with dedicated charging profiles. The unit delivers up to 55A of continuous current for medium-capacity battery banks rated between 55Ah and 70Ah. It is designed for campers and motorhomes needing reliable DC power conversion.

Multi Stage Smart Charging Thermals

Multi-stage smart charging logic manages the charge cycle to extend battery service life. Selectable fixed voltage outputs of 13.0V, 14.6V, and 16.5V allow manual tuning for specific requirements. Ground resistance is rated below 300 mΩ measured at 12V and 25A load. Maximum output power reaches 798W at 14.5V and 55A with a tolerance of ±20W.

Build Integration 120V AC Input

The converter accepts 120V AC at 60Hz input from a campground pedestal or onboard generator. It frees the DC distribution panel from relying solely on battery reserves when shore power is available. Two replacement fuses and a user manual are included in the package. The chassis measures 9.06 inches in width for standard RV cabinet mounting.

Highlights

  • Converts 120V AC to stable 12V DC for RV appliances
  • Dedicated modes for lead-acid and LiFePO4 batteries plus fixed 13.0V, 14.6V, 16.5V outputs
  • Delivers up to 55A continuous current for lights, speakers and other 12V loads
  • Multi-stage smart charging extends battery life across 55Ah to 70Ah banks
  • Compact 9.06 inch width fits tight RV compartments

Specifications

Width9.06

Questions about this item

How do I install the VEVOR SBC-55A and what wiring step is often missed?

Mount the unit, connect 120V AC input at 60Hz, then wire the 12V DC output to the battery bank; the step often missed is adding the two supplied fuses on the positive DC leads before powering on.

What maintenance will the converter need later?

No internal service is required; periodically check that the two output fuses are intact and that the DC connections stay tight so the 55A path remains clean.

What limit appears first during sustained high-load use?

The 798W ceiling at 14.5V and 55A is reached before any thermal or current limit, so continuous draw above that level will trigger protection.

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