Victron SmartSolar MPPT RS 450V/200A-MC4
SCC145120512 - The SmartSolar MPPT RS solar charge controllers are Victron's solution for systems with large series connected PV arrays charging 48 V DC battery banks. This product is perfect for large off-grid, and grid connected battery systems.
Victron Energy SmartSolar MPPT RS 450/100 & 450/200 – 48V Solar Charge Controller
High-Performance 450V MPPT Solar Charge Controllers | 100A & 200A | Galvanically Isolated | Bluetooth Monitoring
The Victron Energy SmartSolar MPPT RS 450/100 and 450/200 are advanced, high-power solar charge controllers designed for 48V battery systems. Combining ultra-fast Maximum Power Point Tracking (MPPT), high-voltage solar input capability and galvanic isolation, these controllers deliver efficient and intelligent solar battery charging for demanding on-grid and off-grid installations.
With a maximum PV input voltage of 450V DC, the SmartSolar MPPT RS range supports larger solar panel arrays while providing up to 100A or 200A of battery charging current, depending on the model.
Designed for solar energy storage systems, large off-grid installations and high-capacity battery banks, the MPPT RS offers built-in Bluetooth, multiple independent MPPT trackers and compatibility with Victron GX monitoring equipment.
Key Features and Benefits
- 450V Maximum Solar PV Input: Supports high-voltage solar arrays with an MPPT operating range of 65–450V DC.
- Powerful 48V Battery Charging: Choose between 100A and 200A rated charging current.
- Multiple Independent MPPT Trackers: Two trackers on the 450/100 and four on the 450/200 allow separate solar arrays to be optimised individually.
- Ultra-Fast MPPT Technology: Maximises available solar energy, particularly during changing sunlight and partial shading.
- Galvanic Isolation: Electrical isolation between the solar PV inputs and battery connections provides additional system safety.
- Up to 96% Conversion Efficiency: Designed to convert solar energy into battery charging power efficiently.
- Built-In Bluetooth: Configure, monitor and adjust settings using the VictronConnect app.
- VE.Can and VE.Direct Connectivity: Integrates with compatible Victron GX devices for system monitoring and data logging.
- Adaptive Battery Charging: Programmable multi-stage charging with adjustable battery parameters.
- Integrated LCD Display: View essential charging and system information directly on the controller.
- PV Isolation Resistance Monitoring: Detects insulation faults in connected solar arrays.
- Synchronised Charging: Supports up to 25 compatible controllers connected through VE.Can.
What Is the Victron SmartSolar MPPT RS?
The Victron SmartSolar MPPT RS is a high-voltage solar charge controller that converts electricity generated by solar panels into regulated charging power for a 48V battery bank.
Unlike a basic solar regulator, the MPPT RS continuously adjusts its operating point to extract the maximum available power from the connected solar panels.
Its independent MPPT trackers are particularly useful when designing installations with multiple solar arrays, helping optimise energy harvest from each connected array.
The range is available in two versions:
- SmartSolar MPPT RS 450/100: A 100A solar charge controller with two independent MPPT trackers and up to 5,760W of total DC charging output.
- SmartSolar MPPT RS 450/200: A 200A solar charge controller with four independent MPPT trackers and up to 11,520W of total DC charging output.
Both models are designed for 48V battery systems and use the same core Victron SmartSolar technology.
Ultra-Fast MPPT Technology for Maximum Solar Harvest
Maximum Power Point Tracking technology continuously monitors solar panel voltage and current to identify the most productive operating point.
This is especially important during cloudy weather, changing sunlight and partial shading, when solar panel output can fluctuate throughout the day.
According to Victron Energy, its ultra-fast MPPT technology can improve energy harvest by up to 30% compared with PWM charge controllers and up to 10% compared with slower MPPT controllers under suitable conditions.
The advanced tracking algorithm can also identify the optimum maximum power point when partial shading creates multiple potential operating points.
This helps your solar installation make better use of the energy available from its panels.
Multiple Independent MPPT Trackers
The SmartSolar MPPT RS range offers separate tracking inputs for flexible solar array design.
- 450/100: Two independent MPPT trackers.
- 450/200: Four independent MPPT trackers.
Each tracker independently optimises its connected solar array.
This can be useful for systems with separate solar panel strings or arrays installed in different orientations.
Important: Each tracker must have its own independent solar array. The same PV array must not be connected across multiple tracker inputs.
High-Voltage Solar Input – Up to 450V DC
The SmartSolar MPPT RS supports a wide solar operating voltage range of 65–450V DC, with a 120V DC start-up voltage.
Its high-voltage input capability allows installers to design suitable solar panel strings for larger renewable energy installations.
The maximum PV open-circuit voltage must never exceed 450V, including under cold-weather conditions.
Victron also specifies that PV open-circuit voltage must not exceed eight times the battery float voltage. Correct solar string sizing is therefore essential.
Galvanic Isolation and Solar Array Protection
The SmartSolar MPPT RS incorporates full galvanic isolation between the solar PV connections and the battery side of the system.
This provides an additional level of electrical separation in high-voltage solar installations.
The controller also monitors PV isolation resistance to help identify potentially unsafe insulation faults.
Additional protective features include:
- PV reverse-polarity protection within specified limits.
- Output short-circuit protection.
- Over-temperature protection.
- Automatic output reduction when operating temperatures become excessive.
- PV insulation resistance monitoring.
These features support reliable operation when the controller is correctly designed, installed and maintained.
Intelligent 48V Battery Charging
The SmartSolar MPPT RS uses an adjustable, adaptive multi-stage battery charging algorithm.
Its charging process includes:
Bulk Charging
Delivers available charging current to recharge the battery efficiently.
Absorption Charging
Maintains the programmed absorption voltage while charging current reduces as the battery approaches full charge.
Float Charging
Maintains the battery at the configured float voltage after the main charging stages have completed.
The controller includes programmable charging parameters and battery presets, allowing configuration to suit compatible battery systems and manufacturer requirements.
An external battery temperature sensor is included. Battery voltage sensing and temperature-based charging adjustments can also be configured where appropriate.
Built-In Bluetooth and VictronConnect Monitoring
The integrated Bluetooth connection allows the SmartSolar MPPT RS to be configured and monitored through the VictronConnect app.
Using a compatible smartphone or other supported device, you can:
- View solar charging power and battery voltage.
- Monitor charging current and battery charging status.
- Check the performance of individual MPPT trackers.
- Review up to 30 days of historical solar and battery data.
- Adjust supported battery charging parameters.
- Configure selected controller settings.
- View system information and diagnostic messages.
The controller also features a built-in backlit LCD display for convenient local monitoring.
Victron GX Integration and Remote Monitoring
For more advanced solar energy management, the SmartSolar MPPT RS includes VE.Can and VE.Direct communication interfaces.
These enable integration with compatible Victron GX devices, such as the Cerbo GX, for centralised system monitoring and data logging.
With a suitable GX device and internet connection, system information can also be accessed through the Victron Remote Management (VRM) platform.
VE.Can communication additionally supports synchronised charging between compatible SmartSolar MPPT RS controllers.
This makes the range suitable for larger installations where multiple solar charge controllers operate together.
Typical Applications
The Victron SmartSolar MPPT RS range can be used in appropriately designed:
- Off-grid solar power systems.
- Grid-connected solar energy storage installations.
- Large 48V battery storage systems.
- Renewable energy installations using multiple solar panel arrays.
- Victron Energy systems requiring GX monitoring and synchronised solar charging.
Please Note: The MPPT RS is a solar charge controller, not a standalone inverter. A compatible inverter or inverter/charger is required where AC electricity is needed.
Why Choose Sunshine Solar?
At Sunshine Solar, we have over 20 years of experience supplying solar power equipment, batteries and renewable energy solutions throughout the UK.
Our knowledgeable team can help you select suitable solar charging equipment for your installation, with friendly technical support available over the phone.
Whether you're upgrading an existing Victron system or planning a new high-capacity solar installation, we can help you identify the right equipment for your requirements.
Choose the Victron Energy SmartSolar MPPT RS 450/100 or 450/200 for intelligent, high-performance solar charging, advanced monitoring and flexible 48V battery system integration.