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Renogy
Renogy 12V 50A DC to DC On-Board Battery Charger w/ MPPT - Battery Charger Renogy 12V 50A DC to DC On-Board Battery Charger w/ MPPT
SKU: RBC50D1S-G7-US
$307.99
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12V 50A DC-DC Dual Battery Charger
Renogy's enhanced DC-DC dual-input battery charger supports up to 50V solar input for faster, more efficient charging of compatible house-battery systems.
Intelligent Charging Mode Switching
Advanced charging logic and Low Solar Cutoff Mode support optimized charging performance as solar conditions change.
Versatile DIY Options
Connect compatible solar modules in series within the stated input limit to expand solar-array planning options for a DIY mobile-power system.
Adapt to Extreme Temperatures
Precise battery temperature compensation supports consistent charging efficiency in demanding temperature conditions.
NEG-Terminal Design for Easy Installation
The all-in-one negative-terminal layout consolidates connections for the solar array, starter battery and house battery to simplify compatible installation planning.
Comprehensive System Protections
Intelligent system safeguards are designed to protect compatible batteries, solar panels and alternators during charging operation.
Soft Start Circuit Design for Enhanced Battery Stability
The soft-start circuit gradually raises charger input voltage to reduce sudden electrical stress during startup.
Protect Your Solar Panels at Night
Reverse-current protection helps prevent current from flowing back from the battery to connected solar panels when solar input is unavailable.
NOTES
- Enhanced heat dissipation and safety.
- Maximum solar panel input voltage upgraded to 30V/50V according to the selected charger model.
- Versatile connections support compatible DIY solar panel setups.
- Optimized charging logic supports improved efficiency.
- Smart charging and monitoring support through the Renogy app.
Plan alternator charging
Our RV DC-to-DC charger guide explains when a DC-to-DC charger is useful in an RV battery system and which electrical limits to check.
Compare a related option
Compare 50A and 40A chargers with MPPT by alternator draw, solar input and battery charge limits.
Package Includes
1x Renogy 12V 50A DC to DC On-Board Battery Charger w/ MPPT - Battery Charger
Includes the selected item based on the current package option.
| Renogy 12V 50A DC to DC On-Board Battery Charger w/ MPPT | |
| Selected variant SKU | RBC50D1S-G7-US |
|---|---|
| MODEL | |
| Model / SKU | RBC50D1S-G7-US, RBC50D1S-BT-US, RBC50D1S-BT-W02W-US |
| Product Type | Battery Charger |
| Available Variants | Battery Charger; Battery Charger + BT-2; Battery Charger + BT-2 + ONE Core |
| ELECTRICAL | |
| System Voltage | 12 V DC, negative ground |
| Battery Voltage Range | 9-16 V DC |
| Charging Efficiency | Up to 97% |
| Maximum Charging Output Current | 50 A |
| Maximum Solar Input Voltage | 25 V |
| Maximum Solar Input Power | 660 W |
| Traditional Alternator Input | 13.2-16 V DC |
| Smart Alternator Input | 12-16 V DC |
| Maximum Alternator Input Power | 660 W |
| Maximum Charging Current | 30A 50A |
| Battery Type | House Battery Volts Starter Battery Volts 0 A |
| Battery Charger 1 x | Battery Temperature Sensor 1 x |
| Battery Types | SLD, GEL, FLD, LI,USER; Operating Temperature Range; -31°F - 149°F |
| Service Battery Charging Mode | MPPT; Storage Temperature Range; -40°F - 176°F |
| Max. Solar Input Voltage | 25V; Dimensions; 9.6*5.7*3.0in |
| Max. Solar Input Power | 660W @ 50A; Weight; 3.13Ibs |
| Alternator Input Voltage | Traditional Alternator: 13.2-16VDC Smart Alternator (Euro 6): 12-16VDC; Communication Protocol; RS485 |
| Max. Alternator Input Power | 660W @ 50A; Certifications |
| Listed System Voltage | 12V |
| Listed Current | 50A |
| CONNECTIONS | |
| Supported Battery Profiles | Sealed lead-acid, gel, flooded lead-acid, lithium, and user-defined |
| Communication | RS485 |
| Bluetooth | Module and the Renogy app, you can monitor the device remotely through your phone in |
| Connectors | IOT Monitoring Outdoor Appliances |
| PHYSICAL | |
| Terminal Size | M8 × 1.25 |
| Dimensions | 9.6 × 5.7 × 3.0 in |
| Weight | 3.13 lb |
| Material and workmanship warranty | 2 Year |
| OPERATING LIMITS | |
| Operating Temperature Range | -31°F to 149°F (-35°C to 65°C) |
| Storage Temperature Range | -40°F to 176°F (-40°C to 80°C) |
| Operating and Storage Humidity | 0% to 95%, non-condensing |
| Certifications | CE, RoHS, FCC Part 15 Class B, |
| Operating Temperature | Range -31°F to 149°F / -35°C to 65°C |
| Cycle Life | (0.5C, 25℃) |
Frequently Asked Questions
Clear answers to common questions about this product, setup, compatibility, and use.
How does the 12V 50A DC to DC On-Board Battery Charger with MPPT divide charging between alternator and solar input?
Renogy publishes these model-specific details: Traditional Alternator: 13.2-16VDC; Smart Alternator (Euro 6): 12-16VDC; Traditional Alternator: 13.2-16VDC Smart Alternator (Euro 6): 12-16VDC; Renogy's enhanced DC-DC Dual Input Battery Charger now supports up to 50V solar input, enabling faster and more efficient house battery charging.. Verify alternator type and capacity, starter-system voltage, ignition signaling, any PV input limits, and the vehicle manufacturer's restrictions before connecting an onboard charger.
Which house-battery chemistry and nominal voltage can the 12V 50A DC to DC On-Board Battery Charger with MPPT charge?
Renogy publishes these model-specific details: Temperature Compensation: -3mV / ℃ / 2V (Non-Lithium) ; 0mV / ℃ / 2V (Lithium); -3mV / ℃ / 2V (Non-Lithium) ; 0mV / ℃ / 2V (Lithium). Match the profile to the battery manufacturer's required bulk, absorption, float, temperature, and BMS limits; similar nominal voltage does not make every chemistry interchangeable.
When will the 12V 50A DC to DC On-Board Battery Charger with MPPT deliver less than its advertised charge current?
Renogy publishes these model-specific details: Consistent high efficiency in extreme temperatures with precise battery temperature compensation.; Charging Efficiency: 94%; Output Fuse Rating: 75A-100A. Source limitations, alternator temperature, battery acceptance, programmed limits, cable drop, and thermal protection can reduce real output. Charging current is not guaranteed at every engine speed or state of charge.
Does the 12V 50A DC to DC On-Board Battery Charger with MPPT require an ignition signal, sensor, or add-on monitor?
Renogy publishes these model-specific details: Battery Temperature Sensor; Unavailable: 50A | 🔥 W/ Bluetooth Module; 50A | 🔥 W/ Bluetooth Module; Battery Temperature Sensor: x 1. Built-in and add-on monitoring are not interchangeable; confirm whether a sensor, module, communication cable, or separate hub is required for the function you want.
What wiring and circuit protection should be budgeted for the 12V 50A DC to DC On-Board Battery Charger with MPPT?
Renogy publishes these model-specific details: Battery Temperature Sensor; 2. When connecting the charger and the battery, make sure the battery poles are clean when connecting the terminals, select a sufficient cross-section for the connection cable, tighten the nuts and bolts with proper torque as loose connections may cause overheating.. Size input and output conductors, fuses or breakers, disconnects, grounding, and strain relief from maximum current and route length, not merely from the charger's front-panel rating.