📝 Renogy PRO IP67 50A DC-DC Battery Charger with MPPT

Take your off-grid charging to the next level with the Renogy PRO IP67 50A DC-DC Battery Charger with MPPT — the ultimate combination of durability, performance, and smart energy management. Built to thrive in the harshest environments, this compact powerhouse provides intelligent dual charging from both your vehicle’s alternator and solar panels, automatically optimising modes based on sunlight intensity and system demand.

With an IP67 waterproof and dustproof rating, rugged metal casing, and impressive 720W output, it’s ready for everything from remote outback travel to heavy-duty marine use.

⭐ Essential Benefits

• Intelligent dual-input charging – automatically prioritises between vehicle and solar input for maximum energy efficiency.
• IP67 waterproof & dustproof – sealed design withstands 1m submersion for up to 30 minutes, ensuring reliability in harsh conditions.
• High power output – delivers up to 720W, capable of fully charging a 1.2kWh battery in just 1.8 hours.
• Durable and drop-resistant – reinforced sheet metal casing protects the unit against impact and vibration.
• Temperature-resistant build – maintains full load up to 55°C, with reliable operation from -35°C to 80°C.
• Comprehensive protection suite – includes over-voltage, over-current, reverse connection, battery isolation, and overheat protection.
• Trickle charge function – maintains your starter battery while charging the house battery for long-term system stability.
• Wide voltage compatibility – supports 12V/24V systems, perfect for dual battery setups in RVs, 4WDs, caravans, and boats.

⚙️ Functionality

The Renogy PRO intelligently blends solar and alternator inputs, optimising charging performance under changing conditions. With MPPT solar tracking, it extracts maximum power from your solar array, while ensuring both your house and starter batteries are charged efficiently and safely. Its rugged IP67-rated design makes it ideal for under-bonnet or exposed installations where dust, water, and vibration are constant challenges.

🔌 Compatibility

• Compatible with 12V and 24V systems
• Works with AGM, GEL, Flooded, and Lithium batteries
• Ideal for RVs, caravans, 4WDs, trucks, and marine setups
• Supports solar and alternator charging inputs

🧰 Installation Difficulty

🟡 3/5 (Moderate) – suitable for users with basic 12v wiring knowledge and understanding of dual-battery systems.

🔍 Features

• Intelligent solar/alternator switching
• Built-in MPPT solar charge controller
• 50A (12V) / 25A (24V) charging output
• 720W maximum power output
• IP67 waterproof and dustproof rating
• Drop- and vibration-resistant housing
• Operates from -35°C to 80°C
• Maintains full load at 55°C
• Multi-level safety protection suite
• CE, RoHS, and FCC certified

📊 Specifications

Specification	Detail
Model	RBC2125DS
System Voltage	12V / 24V
Solar Input Voltage	50V DC
Output Voltage Range	9V – 32V DC
Alternator Input	9V – 32V DC
Max Output Current	50A @ 12V / 25A @ 24V
Output Power	720W
Supported Battery Types	AGM/SLD, GEL, Flooded, Lithium
Input Fuse Rating	75A – 100A
Output Fuse Rating	75A – 100A
Charging Efficiency	Up to 97%
Temperature Compensation	-3mV/°C/2V (Non-Lithium); 0mV/°C/2V (Lithium)
Idle Power Consumption	<100mA
Terminal Range	8AWG – 4AWG
Communication Protocols	Modbus; RV-C
Operating Temperature Range	-35°C to 80°C
Storage Temperature Range	-40°C to 80°C
Humidity	0% – 95% RH
Dimensions (L×W×H)	178.2 × 121.5 × 37.5 mm
Weight	1.86 kg
Certifications	CE, RoHS, FCC Part 15 Class B
Warranty	3-year material warranty

📦 What’s Included

• 1 × Renogy PRO IP67 50A DC-DC Battery Charger with MPPT
• 1 × User Manual
• 1 × Mounting Kit