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Renogy 12V 40A DC to DC Battery Charger
Renogy 12V 40A DC to DC Battery Charger
Smart alternator-to-auxiliary battery charging built for compatible vehicle-based power systems, with app-supported monitoring and control.
Advanced High-Temperature Performance
The charger is designed to adjust its output in high-temperature environments to help support reliable operation.
Optimize Battery Health
Use the DC Home app to enable or disable compatible lithium battery activation based on battery status.
Smart Control for Simplicity and Efficiency
Remote monitoring and control help you review and manage compatible charging parameters through the app.
Quieter Cooling Solution
Natural heat dissipation supports quieter performance with reduced operating noise.
Corrosion-Proof for Long-Term Use
The compact, corrosion-resistant design is suited to compatible installations in small boat cabins and humid marine environments.
Stronger. Smarter. Safer.
Renogy presents this 40A DC-to-DC charger with improved charging efficiency, stronger high-temperature performance and Bluetooth-supported monitoring.
Comprehensive Accessories for Easy Installation
A supported battery temperature sensor supplies real-time information to help adjust compatible charging parameters.
| 12V 40A DC to DC Battery Charger | |
| Model SKU | RBC40D1U-G3-US |
|---|---|
| Specifications | |
| Terminal Range | 10AWG - 8AWG/8AWG - 6AWG |
| Grounding | Common Negative |
| Communication Protocol RS485 Communication | |
| Operating Temperature Range | -4℉ to 122℉ / -25 ℃ to 60℃ |
| Storage Temperature Range | -4℉ to 122℉ / -40℃ to 85℃ |
| Humidity | 0%~95% non-condensation |
| Maximum Operating Altitude | 3000m |
| Enclosure Rating | 0%~95% non-condensation |
| Dimensions | 9.31in x 6.00in x 2.30in / 236.5mm x 152.5mm x 58.4mm |
| Weight | 4.41 lb (1.88 kg) |
| Certification | |
| CE/RoHS/FCC | Yes |
| Protection | Reverse Polarity Protection/Overvoltage Protection/Over Discharge Protection/Overcurrent Protection/Over Temperature Protection |
| Electrical Data Specification | |
| System Voltage | 12V-12V |
| Alternator Input Voltage | Traditional Alternator: 13.2-16.0VDC Smart Alternator (Euro 6): 12-16.0VDC |
| Maximum Output Current Rating | 40A |
| Output Power | 584W |
| Battery Types | AGM, Gel, Flooded, Lithium-iron Phosphate |
| Input Fuse Rating | 60A |
| Output Fuse Rating | 50A |
| Charging Efficiency | 94% |
| Temperature Compensation (Non-Lithium) | -3mV / ℃ / 2V |
| Temperature Compensation (Lithium) | 0mV / ℃ / 2V; no compensation |
| Idle Power Consumption | ＜15mA |
| WARRANTY INFORMATION | |
| Material and workmanship warranty | 2-year |
