SmartSolar MPPT RS 450/200-MC4

On a remote off-grid homestead, the Victron Energy SmartSolar MPPT RS 450/200-MC4 manages a large PV array to charge a 48V battery bank at up to 200A. Its dual MPPT trackers handle two independent strings, maximizing harvest even with partial shading or different orientations. Built for demanding installations, it combines high voltage input, active cooling, and advanced communication for complete system control.

Key specifications

• Battery voltage: 48V
• Maximum charge current: 200A
• Maximum PV power (48V battery): 11520W
• Maximum PV open circuit voltage: 450V
• Number of PV trackers: 2 independent MPPT inputs
• Maximum PV short circuit current per tracker: 18A
• PV connector type: MC4
• Maximum efficiency: 97%
• Enclosure protection: IP21
• Communication interfaces: Bluetooth Smart, VE.Can, VE.Direct
• Operating temperature range: -30 to +60°C
• Cooling: Active (fan)
• Display: Full-graphic display
• Programmable relay: Yes
• Remote on/off: Yes
• Parallel operation: Yes (synchronised charging)
• Battery type compatibility: Lead Acid (GEL, AGM, Flooded), LiFePO4
• Grounding type: Non-isolated (positive or negative system ground)

Why choose it

This controller is engineered for large-scale solar systems where high voltage and high current are essential. Its dual MPPT inputs allow flexible array design, and the 450V input voltage reduces cable losses and installation costs. With Bluetooth and VE.Can, you can monitor and configure the system remotely via the VictronConnect app or a GX device. Built-in active cooling ensures reliable operation even at full power in warm environments.

Ideal use cases

• Off-grid homes and cabins with large PV arrays
• Remote telecom or monitoring stations
• Marine and RV installations with high energy demand
• Industrial solar power systems

Good to know

The SmartSolar MPPT RS 450/200-MC4 is a non-isolated controller, meaning the PV and battery share a common ground. It supports synchronised parallel operation for even larger systems. The full-graphic display provides real-time data and easy configuration without additional tools. Ensure proper ventilation as the unit is IP21 rated and relies on active cooling.