Victron SmartSolar MPPT 150/45 (12V / 24V / 36V / 48V) 45A
by Victron Energy
Introduction
The Victron SmartSolar MPPT 150/45 is a high-performance solar charge controller designed for larger off-grid and hybrid solar systems. With ultra-fast MPPT tracking, built-in Bluetooth monitoring and full support for 12V, 24V, 36V and 48V battery banks, this controller is ideal for residential solar, off-grid homes, motorhomes, marine installations and backup power systems across New Zealand and Australia.
Designed to handle higher PV voltages and larger solar arrays, the 150/45 is perfect for expanding solar installations and modern lithium battery systems.
Key Features
Ultra-Fast MPPT Solar Tracking
Continuously tracks the maximum power point of solar panels to maximise energy harvest.
• Up to 30% more solar energy compared to PWM controllers
• Excellent performance in cloudy and low-light conditions
• Faster energy recovery after shading
Built-in Bluetooth Monitoring & Configuration
No display required, all setup and monitoring is done wirelessly using the VictronConnect app.
Using the app you can:
• Monitor solar production in real time
• Adjust battery charging settings and voltages
• View historical performance data
• Check system alerts and diagnostics
• Update firmware remotely
Supports 12V, 24V, 36V & 48V Battery Systems
Automatically detects system voltage for easy installation and flexible system design.
Compatible with:
• Flooded batteries
• AGM batteries
• Gel batteries
• Lithium LiFePO₄ batteries
All charging voltages are fully adjustable via Bluetooth.
High Efficiency Solar Charging
Industry-leading conversion efficiency ensures maximum solar output.
• Peak efficiency up to 98%
• Extremely low self-consumption
• Passive cooling (fanless design)
Solar Input Specifications
Maximum PV Open Circuit Voltage: 150V
Maximum Charge Current: 45A
Maximum Solar Array Size:
• 12V system: up to 650W
• 24V system: up to 1300W
• 36V system: up to 1950W
• 48V system: up to 2600W
Perfect for medium to large solar installations.
Battery Charging Specifications
Battery Voltage: 12 / 24 / 36 / 48V auto select
Charging Algorithm: Adaptive multi-stage charging
Typical Default Charging Voltages (12V):
Absorption: 14.4V
Float: 13.8V
Storage: 13.2V
All voltages fully configurable via VictronConnect.
Intelligent Battery Protection
• Overcharge protection
• Reverse polarity protection
• Over-temperature protection
• Battery temperature compensation
Designed to extend battery life and improve long-term reliability.
Monitoring & Connectivity
VictronConnect provides full system visibility:
• Solar panel voltage and current
• Battery voltage and charge stage
• Historical solar production graphs
• Error notifications and diagnostics
Perfect for remote off-grid solar monitoring.
Environmental & Physical
Operating Temperature: −30°C to +60°C
Cooling: Passive fanless design
Protection Class: IP43 (electronics when installed correctly)
Ideal Applications
• Off-grid homes and cabins
• Residential solar battery systems
• Caravan and motorhome solar setups
• Marine and boat solar installations
• Workshops, sheds and rural properties
• Hybrid solar + battery backup systems
Why Choose the SmartSolar MPPT 150/45?
✔ Supports 48V solar battery systems
✔ Ideal for higher voltage solar arrays
✔ Built-in Bluetooth monitoring
✔ Fully adjustable charging voltages
✔ Reliable Victron performance
A powerful and flexible solar charge controller designed for serious off-grid and hybrid solar installations in Australian and New Zealand conditions.