Renogy 40-Amp DC-to-DC Battery Charger with MPPT
The Renogy 40A DC-to-DC Battery Charger with MPPT  is a versatile and efficient charging solution designed for dual battery systems in RVs, vans, boats, and off-grid setups. Combining DC-to-DC charging with built-in MPPT solar technology , it allows you to charge your batteries from both your vehicle alternator and solar panels. With advanced protections, wide battery compatibility, and user-friendly controls, this charger ensures safe, reliable, and optimized energy management wherever you go.
Features
Features
Dual Charging Options: Maximum flexibility. Supports alternator and solar charging for optimal efficiency.
Multi-Battery Compatibility: Broad support. Works with LiFePO4, Gel, Flooded, and Sealed Lead Acid batteries.
Comprehensive Protection: Safe operation. Includes multiple safety protections to safeguard your system.
User-Friendly Interface: Easy control. Features LED indicators and buttons for simple operation and alerts.
Certified & Reliable: Quality assurance. Complies with FCC, CE, RoHS, and SAA standards with a 2-year warranty.
Applications
RV & Camper Vans: Charge house batteries while driving
Off-Grid Solar Systems: Combine solar and alternator charging
Marine Systems: Reliable onboard battery charging
Overlanding & Van Life: Efficient mobile power management
Backup Power Systems: Maintain battery readiness
What's Included
Everything you need is included with your product.
Battery Charger
7 x Heat-shrink tubings
4 x Mounting Screws
User Manual
Specifications
General Data
| Specification |
Details |
| Model |
RBC40D1S |
| Grounding |
Common Negative |
| Operating Temperature |
-4℉ -113℉ /-20 ℃ - 45℃ |
| Storage Temperature |
-4℉ -140℉ /-20 ℃ - 60℃ |
| Humidity |
0%~90% RH |
| Cooling |
Heat Sink |
| Enclosure Rating |
IP31 |
| Dimensions (LxWxH) |
195 x 149 x 48 mm / 7.68 x 5.87 x 1.89 inch |
| Weight |
1.2 kg /2.65 lb |
| Regulatory and Safety Specifications |
FCC Path 15, Class B,CE,RoHS，SAA |
Â
Charging Data
| Specification |
Details |
| System Voltage |
12V-12V |
| Maximum Output Current Rating |
40A |
| Solar Input Voltage |
10 -30V DC |
| Output Voltage |
10 -16V DC |
| Alternator Input |
Traditional Alternator: 13.2-16.0VDC; Smart Alternator (Euro 6): 12-16.0VDC |
| Output Power |
616W |
| Battery Types |
AGM, Gel, Flooded, Lithium-iron Phosphate |
| Input Fuse Rating |
60A |
| Output Fuse Rating |
50A |
| Charging Efficiency |
93% |
| Idle Power Consumption |
＜10 mA |
Â
Warranty
| Specification |
Details |
| Accessories |
2-year material and workmanship warranty |
Â
FAQs
Frequently Asked Questions
Can this charger use both solar and alternator at the same time?
Yes, it supports dual input charging for maximum efficiency and flexibility.
Is it compatible with lithium batteries?
Yes, it is fully compatible with LiFePO4 batteries.
Does it include safety protections?
Yes, it features comprehensive protections for safe and reliable operation.
Is this suitable for beginners?
Yes, it has a simple interface with LED indicators for easy use.
Manual
Renogy 40-Amp DC-to-DC Battery Charger with MPPT Manual
Renogy 40-Amp DC-to-DC Battery Charger with MPPT Quick Guide
Renogy 40-Amp DC-to-DC Battery Charger with MPPT Warranty
