Victron SmartSolar MPPT 150/45 45A solar charge controller
Victron SmartSolar MPPT 150/45 45A solar charge controller
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Victron SmartSolar MPPT 150/45 Solar Charge Controller
45A | Up to 150V PV | Integrated Bluetooth
The Victron SmartSolar MPPT 150/45 is a 45A solar charge controller designed to efficiently manage power from your solar panels to your battery bank. Utilising advanced Maximum Power Point Tracking (MPPT) technology, this controller optimises energy harvest from solar arrays up to 150V, making it suitable for a wide range of off-grid, marine, and automotive solar installations in the UK.
Part of the intelligent SmartSolar range, the 150/45 model features built-in Bluetooth for convenient monitoring and configuration via the VictronConnect App on a smartphone or tablet. It supports automatic 12V, 24V, 36V, and 48V system voltages, ensuring versatility for various battery configurations and system sizes.
KEY BENEFIT: Ultrafast MPPT technology maximises energy yield, even in challenging weather conditions, ensuring your batteries charge faster and more efficiently.
Key Features
| ▶ Ultrafast MPPT Tracking — Maximises energy harvest by up to 30% compared to PWM controllers. |
| ▶ Integrated Bluetooth — Enables wireless monitoring and configuration via the VictronConnect App. |
| ▶ Automatic System Voltage — Supports 12V, 24V, 36V, and 48V battery systems automatically. |
| ▶ Programmable Relay — Allows for custom control, such as generator start or alarm activation. |
| ▶ Extensive Electronic Protection — Safeguards against various electrical faults and battery issues. |
| ▶ VE.Direct Communication Port — For wired connection to a PC or other Victron accessories. |
| ▶ Durable Design — IP43 rated for electronic components, suitable for various environments. |
Technical Specifications
| Parameter | Value |
|---|---|
| Battery Voltage | 12 / 24 / 36 / 48V Auto Select |
| Rated Charge Current | 45A |
| Max PV Open Circuit Voltage | 150V |
| Max PV Power (12V) | 650W |
| Max PV Power (24V) | 1300W |
| Max PV Power (36V) | 1950W |
| Max PV Power (48V) | 2600W |
| Efficiency | >95% |
| Self-consumption | <35mA (12V) / <20mA (48V) |
| Operating Temperature | -30°C to +60°C |
| Enclosure Protection | IP43 (electronics) / IP22 (connection area) |
| Dimensions (H x W x D) | 250 x 185 x 95 mm |
| Weight | 3 kg |
| Certifications | IEC/EN Certified |
Charging & Battery Modes
The Victron SmartSolar MPPT 150/45 is compatible with a wide array of battery technologies, including AGM, Gel, Tubular plate, and Lithium batteries. Its intelligent charging algorithm can be customised via the VictronConnect App, allowing users to define specific absorption voltage, absorption time, float voltage, equalisation voltage, and temperature compensation settings.
This flexibility ensures optimal charging and extended lifespan for your chosen battery type. The controller also features an internal temperature sensor for automatic compensation, further enhancing battery health and charging accuracy across varying ambient temperatures.
Typical Applications
| Application | Description |
|---|---|
| Off-Grid Homes & Cabins | Efficiently charges battery banks for remote properties, ensuring reliable power supply. |
| Marine & RV Systems | Manages solar input for leisure vehicles and boats, keeping service batteries charged. |
| Telecommunications & IoT | Provides stable power management for remote monitoring stations and communication equipment. |
| Small Business Backup | Integrates into small-scale solar backup systems for essential loads during power outages. |
Built-In Protection Functions
The Victron SmartSolar MPPT 150/45 is equipped with comprehensive electronic protection features to ensure system safety and longevity. These include protection against PV short circuit, PV reverse polarity, PV overvoltage, PV overcurrent, and reverse current from the battery to the PV array. It also safeguards against battery overvoltage, battery reverse polarity, and overheating, monitored by an internal temperature sensor. The controller features self-diagnostic capabilities, signalling system errors via LED indicators.
Common Questions
What is the maximum solar panel power this controller can handle?
The Victron SmartSolar MPPT 150/45 can handle up to 650W for a 12V battery system, 1300W for 24V, 1950W for 36V, and 2600W for a 48V battery system. The maximum PV open circuit voltage should not exceed 150V.
How do I monitor and configure the SmartSolar MPPT 150/45?
This controller features built-in Bluetooth, allowing you to connect wirelessly to the VictronConnect App on your smartphone, tablet, or PC. The app provides real-time data, detailed logs, and options for customising charging parameters. A VE.Direct USB cable can be used for PC connection without Bluetooth.
Is this controller suitable for lithium batteries?
Yes, the Victron SmartSolar MPPT 150/45 is compatible with Lithium batteries, as well as AGM, Gel, and Tubular plate battery types. The charging algorithm can be specifically configured for optimal performance with lithium chemistries via the VictronConnect App.
Installation Notes
- Ensure correct wiring polarity for both solar panels and batteries to prevent damage.
- Mount the controller in a well-ventilated area, away from direct sunlight or heat sources.
- Use appropriate cable gauges for your system voltage and current to minimise voltage drop.
- Refer to the detailed user manual for specific wiring diagrams and installation instructions.
- Professional installation is recommended for complex solar power systems.
Before You Buy
- Verify your total solar panel array voltage (Voc) does not exceed 150V.
- Confirm your battery bank voltage (12V, 24V, 36V, or 48V) matches the controller's auto-detection.
- Calculate your total solar panel wattage to ensure it falls within the controller's maximum power ratings for your system voltage.
- Consider any additional Victron accessories, such as a plug-in LCD display or MPPT Control panel, if required for your setup.
- Ensure you have the necessary tools and expertise for safe installation.
Please verify all specifications and compatibility requirements for your specific solar system before purchase. This product is covered by a 5-year manufacturer's warranty.
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