REDARC BCDC TRAILER S 12V 40A Solar Trailer Battery Charger

* PLEASE NOTE *

• THIS UNIT IS NOT SUITABLE FOR THE ENGINE BAY
• THIS UNIT IS NOT WATERPROOF

On-the-Go Charging Made Simple
Keep your trailer battery topped up while driving—no need for engine idling or mains charging. The REDARC BCDC Trailer S combines a DC-DC charger, MPPT solar regulator, and smart isolator in one compact, lightweight unit for hassle-free power management.

Easy Plug-and-Play Installation
Designed for convenience, the BCDC Trailer S connects directly to your trailer plug using existing vehicle wiring—no complex rewiring required.

Built-In Protection
With integrated fuse protection, the system safely manages power flow, guarding your vehicle’s wiring and trailer connectors against overloads.

Battery Compatibility & Care
Supporting all common battery types—including Lead-Acid, AGM, Gel, Calcium, and LiFePO4—the unit features a three-stage charging process and automatic isolation to optimise battery health and longevity.

Features:

• 12A DC charger and 40A solar regulator combined into one streamlined unit
• Efficient solar charging for extended off-grid use
• Charges trailer batteries during travel, ready when you arrive
• Inbuilt isolator prevents start battery drain
• Safeguards vehicle fuses and wiring by managing current draw
• Perfect for trailers, campers, horse floats, service units, and emergency vehicles

Specifications:

• Battery Chemistry:    Standard Lead Acid, Calcium content, Gel, AGM or LiFePO4 type only
• Continuous rating:    12V
• Power Type - AC DC:    DC to DC
• No Load Current:    <100mA
• Standby Current:    <8mA
• Weight:    0.8kg
• Height:    38mm
• Width:    119mm
• Depth / Length:    165mm
• Warranty:    2 Years
• Connector Type:    Bare wire
• Input Voltage:    9 - 32V
• Max. Charging Voltage:    15.3V
• Max. Rated Output Current:    11A (12V vehicle) / 20A (24V vehicle)
• Normal Output Power:    147W (12V vehicle) / 294W (24V vehicle)
• Input Fuse Rating:    15A to 23A (Not supplied)