Victron SmartSolar MPPT 75/15 (12V/24V) 15A
by Victron Energy
Introduction
The Victron SmartSolar MPPT 75/15 is a compact, high-efficiency solar charge controller designed to maximise energy harvest from small solar systems. With ultra-fast MPPT tracking, built-in Bluetooth monitoring and full configuration via the VictronConnect app, this controller is perfect for caravans, RVs, boats, tiny homes, off-grid cabins and small backup power systems across New Zealand and Australia.
This model is ideal for charging 12V or 24V batteries from solar panels while protecting battery health and improving solar performance in all weather conditions.
Key Features
Ultra-Fast MPPT Solar Tracking
Maximises solar energy harvest compared to PWM controllers, especially in cloudy or low-light conditions.
• Up to 30% more energy than PWM
• Improves system efficiency and battery life
Built-in Bluetooth Monitoring & Configuration
No display required, everything is controlled wirelessly.
Using the VictronConnect app you can:
• View solar production in real time
• Adjust battery charging settings
• Change charging voltages
• View historical performance data
• Update firmware remotely
High Efficiency Solar Charging
Advanced conversion technology ensures minimal power loss.
• Peak efficiency up to 98%
• Very low self-consumption
Automatic 12V / 24V Detection
Automatically detects system voltage and configures itself.
Advanced Battery Charging Algorithm
Optimises battery charging for long life and maximum performance.
Compatible with:
• Flooded batteries
• AGM batteries
• Gel batteries
• Lithium LiFePO₄ batteries
Fully adjustable charge voltages via Bluetooth.
Solar Input Specifications
Max PV Open Circuit Voltage: 75V
Max Charge Current: 15A
Max PV Power (12V system): 220W
Max PV Power (24V system): 440W
Ideal panel sizes:
• 150W – 300W solar systems (12V)
• 300W – 450W solar systems (24V)
Battery Charging Specifications
Battery Voltage: 12V or 24V auto select
Charging Algorithm: Adaptive multi-stage
Typical Charging Voltages (12V default):
Absorption: 14.4V
Float: 13.8V
Storage: 13.2V
All charging voltages are fully configurable in the app.
Intelligent Battery Protection
• Prevents overcharging
• Protects against reverse polarity
• Temperature compensation
• Automatic battery voltage detection
Designed to extend battery lifespan and reliability.
Monitoring & Connectivity
With the VictronConnect app you can monitor:
• Solar panel voltage and current
• Battery voltage and charging status
• Historical energy production
• System errors and alerts
Perfect for remote monitoring of off-grid solar systems.
Environmental & Physical
Operating Temperature: −30°C to +60°C
Cooling: Passive fanless design
Protection:
• Over-temperature
• Short circuit
• Reverse polarity
Protection Class: IP43 (electronics) when installed correctly
Ideal Applications
• Caravan and motorhome solar systems
• Boat and marine solar charging
• Tiny homes and off-grid cabins
• Small backup power systems
• Remote monitoring and IoT power
• Shed and workshop solar setups
Why Choose the SmartSolar MPPT 75/15?
✔ Higher solar yield than PWM controllers
✔ Bluetooth monitoring built in
✔ Fully programmable charging voltages
✔ Reliable Victron build quality
✔ Perfect for small off-grid solar systems
A compact, powerful and highly efficient solar charge controller for reliable solar charging in Australian and New Zealand conditions.