Renogy 40A DC-DC Battery Charger with MPPT
Renogy 40A DC-DC Battery Charger with MPPT
SKU: RBC40D1S-US
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- Price: $205.99
- Regular price
- List Price: $199.99
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- Price: $205.99
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PRODUCT DESCRIPTION
Description
Renogy 40A DC to DC Battery Charger with MPPT


Product Description
Perfect for RVs, vans, campers, boats, and off-grid mobile power systems, the Renogy 40A DC to DC Battery Charger with MPPT is designed to efficiently charge house batteries from a vehicle alternator and compatible solar panels. Combining DC-DC charging and MPPT solar charging into one compact unit, this charger helps maximize charging efficiency for mobile energy setups.
Built for reliable off-grid performance, the charger supports multiple battery types including lithium batteries and features integrated protections to help safeguard battery systems during operation.
Key Benefits
- Combines DC-DC battery charging and MPPT solar charging
- Designed for RV, van, camper, marine, and off-grid applications
- 40A charging capability for efficient battery charging
- Supports lithium, gel, sealed, and flooded batteries
- Multi-stage charging helps optimize battery performance
- Compatible with vehicle alternator charging systems
- Integrated electronic protection features
- Compact design for mobile power installations
- Helps maximize solar charging efficiency

Specifications
| Specification | Details |
|---|---|
| Rated Charge Current | 40A |
| System Voltage | 12V |
| Battery Voltage Range | 8V–16V |
| Maximum Solar Input Voltage | 25V |
| Maximum Solar Input Power | 660W |
| MPPT Tracking Efficiency | 99% |
| Charging Efficiency | Up to 97% |
| Supported Battery Types | Lithium, Gel, Flooded, Sealed |
| Operating Temperature | -31°F to 149°F |
| Communication Port | RJ45 |
| Dimensions | 9.6 × 5.7 × 3.0 in |
| Weight | 3.2 lb |
| Warranty | 2-Year Material and Workmanship Warranty |
What's In The Box?
- Renogy 40A DC to DC Battery Charger with MPPT
- Temperature Sensor
- User Manual
FAQs
Q1: What does this charger do?
A: It charges house batteries using both vehicle alternator power and compatible solar panels.
Q2: What battery types are supported?
A: The charger supports lithium, gel, flooded, and sealed batteries.
Q3: Is this charger suitable for RV and van installations?
A: Yes. It is designed for RV, van, camper, marine, and off-grid mobile power systems.
Q4: What is the maximum solar input power?
A: The charger supports up to 660W of solar input power.
Q5: Does the charger use MPPT technology?
A: Yes. It features integrated MPPT solar charging technology with up to 99% tracking efficiency.
