Victron Blue Solar MPPT75/15 12/24-15A
Victron Blue Solar MPPT75/15 12/24-15A
SKU:792-SCC010015050R
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Victron Blue Solar MPPT 75/15 Solar Charge Controller
12V/24V Auto-Select | 15A Charge Current | 75V Max PV Input
The Victron Blue Solar MPPT 75/15 is an advanced solar charge controller designed to maximise energy harvest from your solar panels and efficiently charge your 12V or 24V battery systems. Utilising ultra-fast Maximum Power Point Tracking (MPPT) technology, this controller ensures optimal power conversion, even in challenging weather conditions such as partial shading or fluctuating light intensity.
Ideal for small to mid-sized off-grid solar installations, the MPPT 75/15 automatically detects battery voltage and delivers a maximum charge current of 15A. Its robust design and intelligent battery management features, including the unique BatteryLife algorithm, help to extend the lifespan of your batteries by preventing over-discharge.
KEY ADVANTAGE: Ultra-fast MPPT technology can improve energy harvest by up to 30% compared to PWM controllers.
Key Features
| ▶ Ultra-Fast MPPT Technology — Maximises energy collection from solar panels, significantly boosting efficiency, especially in variable light conditions. |
| ▶ Automatic 12V/24V System Detection — Simplifies setup and ensures compatibility with common battery bank voltages. |
| ▶ Intelligent BatteryLife Algorithm — Extends battery lifespan by preventing over-discharge through adaptive load disconnect levels. |
| ▶ Programmable Load Output — Allows direct connection of DC loads, with protection against short circuits and battery over-discharge. |
| ▶ Multi-Stage Adaptive Charging — Optimises battery charging for various battery types, ensuring efficient and safe power delivery. |
| ▶ VE.Direct Communication Port — Enables connection to Victron monitoring devices or Bluetooth dongles for real-time data and configuration. |
Technical Specifications
| Parameter | Value |
|---|---|
| Battery Voltage (Auto Select) | 12V / 24V |
| Maximum Battery Current | 15A |
| Nominal PV Power (12V System) | 220W |
| Nominal PV Power (24V System) | 440W |
| Maximum PV Open Circuit Voltage (Voc) | 75V |
| Peak Efficiency | 98% |
| Self-Consumption | 12V: 20mA / 24V: 10mA |
| Operating Temperature | -30°C to +60°C (full output up to 40°C) |
| Protection Category | IP43 (electronic components), IP22 (connection area) |
| Data Communication Port | VE.Direct |
Charging & Battery Modes
| Mode/Feature | Description |
|---|---|
| Multi-Stage Adaptive Charge | Ensures optimal charging for various battery types (e.g., Lead-Acid, Lithium) with adjustable absorption and float voltages. |
| BatteryLife Algorithm | Intelligently manages load disconnect levels to ensure regular full recharges, preventing battery damage from chronic partial charging. |
| Load Output Management | Automatically disconnects non-essential loads at a pre-set voltage to protect batteries from deep discharge. Short-circuit proof. |
| Temperature Compensation | Adjusts charge voltages based on battery temperature to ensure safe and efficient charging in varying climates. |
Typical Applications
| Application | Description |
|---|---|
| Off-Grid Systems | Efficiently charges batteries in remote cabins, sheds, and small standalone power setups. |
| Mobile Applications | Ideal for RVs, campervans, boats, and other vehicles requiring reliable solar battery charging. |
| Backup Power Solutions | Maintains charge on batteries for critical loads during power outages or for small emergency systems. |
Built-In Protection Functions
The Victron Blue Solar MPPT 75/15 is equipped with essential safeguards to ensure system longevity and safety. These include: PV reverse polarity protection • Output short circuit protection • Over temperature protection with power derating. The unit also features an IP43 rating for electronic components, offering protection against dust and water splashes, making it suitable for various environments.
Common Questions
What battery types are compatible with this charge controller?
The Victron Blue Solar MPPT 75/15 is compatible with various battery types, including lead-acid (flooded, GEL, AGM) and lithium batteries. Its multi-stage adaptive charging algorithm can be configured to suit specific battery requirements.
Can I monitor the charge controller remotely?
Yes, the controller features a VE.Direct communication port. For remote monitoring and configuration via a smartphone or other device, an optional VE.Direct Bluetooth Smart dongle or VE.Direct to USB interface is required.
What is the maximum solar panel wattage I can connect?
For a 12V battery system, the maximum nominal PV power is 220W. For a 24V battery system, it is 440W. The controller will limit input power if more PV power is connected. Ensure your PV array's open circuit voltage (Voc) does not exceed 75V.
Does this controller have a load output?
Yes, it includes a programmable load output that can be used to connect DC loads. This output features short-circuit protection and can automatically disconnect loads to prevent battery over-discharge, especially when using the BatteryLife algorithm.
Installation Notes
- Mount the controller vertically in a dry location, as close to the batteries as possible, to ensure efficient operation and cooling.
- Always connect battery wires first (positive and negative to BATT + and - terminals) before connecting solar panel wires.
- Ensure the solar panel voltage (PV voltage) exceeds the battery voltage by at least 5V for the controller to initiate charging.
- Refer to the manufacturer's manual for detailed wiring diagrams and specific installation instructions.
Before You Buy
- Verify System Voltage: This controller is designed for 12V or 24V battery systems. Ensure your battery bank matches these specifications.
- Check PV Compatibility: Confirm your solar panel array's maximum open circuit voltage (Voc) does not exceed 75V and its short-circuit current (Isc) does not exceed 15A.
- Consider Monitoring Needs: If remote monitoring via smartphone is desired, an additional VE.Direct Bluetooth Smart dongle or VE.Direct to USB interface will be required.
- Consult Manuals: Always refer to the official Victron Energy datasheets and manuals for complete technical details and safety guidelines before purchase and installation.
All specifications are based on verified manufacturer data. Please ensure compatibility with your existing solar energy system components before purchase.
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