Name: Renogy Core 12V 40A DC-to-DC Battery Charger with MPPT
Brand: Renogy
SKU: RBC40D1S-G1-SA
Price: 3243.48 ZAR
Availability: InStock

Renogy Core 12V 40A DC-to-DC Battery Charger with MPPT

Product Details

Renogy Core 12V 40A DC-to-DC Battery Charger with MPPT

Keep your auxiliary battery charged while driving or parked with the Renogy Core 12V 40A DC-to-DC Battery Charger with MPPT.

This versatile dual-input charger can charge from the vehicle’s alternator while driving or from compatible solar panels when parked. Solar Priority Mode can be selected with the press of a button, helping maximise the use of available solar energy.

Compatible with both traditional and smart alternators, it is ideal for caravans, campers, motorhomes, overlanding vehicles and off-grid power systems.

Key Features

Combines DC-to-DC and MPPT solar charging
Maximum charging output of 40A
Charges from the alternator while driving
Charges from compatible solar panels when parked
Selectable Solar Priority Mode
Compatible with traditional and Euro 6 smart alternators
Supports LiFePO₄, AGM, sealed lead-acid, gel and flooded batteries
Integrated indicator lights and buttons for simple operation
Visual system and error alerts
Built-in system protection
Passive heat-sink cooling with no cooling fan
Compact and lightweight design
Two-year warranty

Two Charging Options

The charger switches between alternator and solar input to keep your auxiliary battery charged efficiently. Solar Priority Mode allows available solar power to be prioritised, helping reduce demand on the vehicle’s alternator.

Simple Operation and Monitoring

Clearly marked buttons and indicator lights make it easy to select operating modes, check the charging status and identify system alerts.

General Specifications

Specification	Details
Model	RBC40D1S
System voltage	12V-to-12V
Grounding	Common negative
Cooling method	Passive heat sink
Enclosure rating	IP31
Operating temperature	-20°C to 45°C (-4°F to 113°F)
Storage temperature	-20°C to 60°C (-4°F to 140°F)
Operating humidity	0%–90% RH
Dimensions (L × W × H)	195 × 149 × 48mm (7.68 × 5.87 × 1.89in)
Weight	1.2kg (2.65lb)

Charging Specifications

Specification	Details
Maximum output current	40A
Maximum output power	616W
Solar input voltage	10–30V DC
Output voltage	10–16V DC
Traditional alternator input	13.2–16.0V DC
Smart alternator input	12–16.0V DC
Supported battery types	LiFePO₄, AGM, sealed lead-acid, gel and flooded
Charging efficiency	Up to 93%
Idle power consumption	Less than 10mA
Recommended input fuse	60A
Recommended output fuse	50A

Compliance and Warranty

Specification	Details
Certifications and compliance	FCC Part 15 Class B, CE, RoHS and SAA
Warranty	Two-year warranty covering defects in materials and workmanship

Recommended Applications

Caravans and motorhomes
Campers and overlanding vehicles
Dual-battery systems
Off-grid touring setups
4×4 and recreational vehicles
Solar-assisted auxiliary battery systems

Important Installation Note

Installation should be completed according to Renogy’s instructions by a suitably qualified installer. Confirm that the charger, battery, solar panels, alternator, cables, fuses and protection devices are compatible with the intended system.

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