Victron Energy SmartSolar MPPT 75/15

The Victron Energy SmartSolar MPPT 75/15 is a maximum power point tracking (MPPT) solar charge controller designed for small to medium off-grid and mobile solar systems. With a compact housing measuring approximately 113 mm wide, 40 mm deep and 100 mm high, this unit integrates MPPT technology to optimize power harvest from PV panels and deliver regulated charging to 12 V battery systems. The controller supports efficient conversion of solar energy and includes built-in Bluetooth connectivity for monitoring and configuration from a smartphone or other compatible device.

Advantages

The SmartSolar MPPT 75/15 offers high conversion efficiency and fast maximum power point tracking to increase energy yield from photovoltaic arrays. Its compact size and robust construction make it suitable for installations with limited space. Integrated Bluetooth simplifies setup and system monitoring without requiring additional cables or interfaces. The controller provides a range of configurable charging algorithms and safety protections to preserve battery health and system reliability.

Suitable for

• Small off-grid solar systems with 12 V battery banks
• Marine and caravan installations with constrained space
• Backup and auxiliary power systems relying on solar charging
• Retrofit projects where efficient MPPT charging is needed

Key specifications

• Maximum PV input voltage compatible with 12 V systems
• Continuous charging current: up to 15 A
• MPPT algorithm for optimized PV power extraction
• Integrated Bluetooth for local monitoring and configuration
• Compact housing dimensions: approx. 113 mm × 40 mm × 100 mm
• Suitable for lead-acid and lithium battery charging profiles (configurable)
• Multiple protection features: overtemperature, overload and reverse polarity protection

How to use

Install the SmartSolar MPPT 75/15 on a flat surface with adequate ventilation and observe polarity when connecting PV panels and the battery. Begin by configuring the charge settings via the Victron app over Bluetooth or using compatible monitoring tools; select the appropriate battery type and charging profile. Place PV modules according to standard array design principles to avoid shading and ensure safe wiring with appropriate fuses or circuit protection between panels, controller and battery.

Usage recommendations

For best performance, use PV modules with nominal voltage suitable for 12 V systems and avoid significant shading. Regularly monitor battery voltage and state of charge through the Bluetooth interface, and ensure wiring and protective devices are rated for the controller’s current. Follow battery manufacturer guidance for charging parameters and maintenance.