Victron Energy 15 Amp MPPT 12/24 VDC 75 VOC (SmartSolar) Solar Charge Controller
The Victron Energy SmartSolar MPPT 75/15 is a compact and highly efficient solar charge controller designed for small off-grid, RV, marine, and battery backup applications. Utilizing Victron's advanced Maximum Power Point Tracking (MPPT) technology, the controller maximizes solar energy harvest while intelligently charging 12V and 24V battery systems. Built-in Bluetooth connectivity allows users to monitor performance, configure charging parameters, and update firmware directly through the VictronConnect app. With automatic load disconnect functionality and adaptive multi-stage charging, the SmartSolar MPPT 75/15 delivers reliable battery management in a compact package.
Victron Energy 15 Amp MPPT 12/24 VDC 75 VOC (SmartSolar) Solar Charge Controller Features
Advanced MPPT Technology - Harvest more solar energy. Continuously tracks the maximum power point of the solar array, increasing charging efficiency compared to conventional PWM controllers.
Built-In Bluetooth Smart - Wireless monitoring and setup. Connect directly through the VictronConnect app to configure settings, monitor charging performance, and update firmware.
Automatic Load Disconnect - Protects battery health. Automatically disconnects loads when battery voltage reaches critical levels, preventing excessive battery discharge.
15A Charging Output - Perfect for smaller solar systems. Provides reliable charging for RVs, boats, cabins, sheds, and remote monitoring systems.
Adaptive Multi-Stage Charging - Extends battery life. Automatically adjusts charging stages based on battery condition to optimize performance and longevity.
Integrated Load Output - Power DC loads directly. Supports direct connection of DC loads with programmable low-voltage disconnect settings.
High Conversion Efficiency - Up to 98% efficiency. Converts solar power into usable battery charging energy with minimal losses.
VE.Direct Communication - Simple system integration. Connects to Victron GX devices and displays for advanced monitoring and remote management.
Victron Energy 15 Amp MPPT 12/24 VDC 75 VOC (SmartSolar) Solar Charge Controller Applications
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RV solar systems – Maintain batteries while traveling off-grid.
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Marine installations – Reliable charging for boats and small marine systems.
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Off-grid cabins – Supports battery charging for remote properties.
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Tiny homes – Efficient charging for compact solar power systems.
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Remote monitoring equipment – Powers weather stations, sensors, and communications equipment.
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Agricultural applications – Supports fencing, monitoring systems, and remote pumps.
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Backup battery systems – Maintains battery banks for emergency power applications.
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Portable solar setups – Ideal for mobile and temporary solar installations.
What's Included?
- Victron Energy 15 Amp MPPT 12/24 VDC 75 VOC (Smart Solar), Solar Charge Controller
- User Manual
Victron Energy 15 Amp MPPT 12/24 VDC 75 VOC (SmartSolar) Solar Charge Controller Specifications
Electrical Specifications
| Specification |
Details |
| Battery Voltage (Auto Select) |
12/24 V |
| Rated Charge Current |
15 A |
| Nominal PV Power, 12 V |
220 W |
| Nominal PV Power, 24 V |
440 W |
| Nominal PV Power, 48 V |
n.a. |
| Max. PV Short Circuit Current |
15 A |
| Automatic Load Disconnect |
Yes |
| Max. PV Open Circuit Voltage |
75 V |
| Peak Efficiency |
98% |
| Self-Consumption – Load On |
12 V: 19 mA / 24 V: 16 mA |
| Self-Consumption – Load Off |
12 V: 10 mA / 24 V: 8 mA |
| Charge Voltage "Absorption" |
14.4 V / 28.8 V (adjustable) |
| Charge Voltage "Float" |
13.8 V / 27.6 V (adjustable) |
| Charge Algorithm |
Multi-stage adaptive |
| Temperature Compensation |
-16 mV / °C resp. -32 mV / °C |
| Max. Continuous Load Current |
15 A |
| Low Voltage Load Disconnect |
11.1 V / 22.2 V / 44.4 V or 11.8 V / 23.6 V / 47.2 V or Battery Life algorithm |
| Low Voltage Load Reconnect |
13.1 V / 26.2 V / 52.4 V or 14 V / 28 V / 56 V or Battery Life algorithm |
| Protection |
Output short circuit / Over temperature |
| Operating Temperature |
-30 to +60 °C (full rated output up to 40 °C) |
| Humidity |
95%, non-condensing |
| Data Communication Port |
VE.Direct (see the data communication white paper on our website) |
Enclosure
| Specification |
Details |
| Colour |
Blue (RAL 5012) |
| Power Terminals |
6 mm² / AWG10 |
| Protection Category |
IP43 (electronic components), IP22 (connection area) |
| Weight |
0.5 kg |
| Dimensions (h × w × d) |
100 × 113 × 40 mm |
Standards
| Specification |
Details |
| Safety |
EN/IEC 62109-1, UL 1741, CSA C22.2 |
Stored Trends
| Specification |
Details |
| Data Stored |
Battery voltage, current and temperature, as well as load output current, PV voltage and PV current |
| Number of Days Trends Data is Stored |
46 |
Frequently Asked Questions
What does MPPT technology do?
MPPT (Maximum Power Point Tracking) continuously optimizes the operating point of solar panels to maximize energy production and improve charging efficiency.
Does the SmartSolar MPPT 75/15 include Bluetooth?
Yes. Bluetooth Smart is built into the controller, allowing wireless monitoring, configuration, diagnostics, and firmware updates through the VictronConnect app.
What battery voltages are supported?
The controller automatically detects and supports both 12V and 24V battery systems.
What is the maximum solar panel voltage?
The SmartSolar MPPT 75/15 supports a maximum PV open-circuit voltage of 75V.
What is the automatic load disconnect feature?
The controller can disconnect connected DC loads when battery voltage drops below a programmed threshold, helping prevent excessive battery discharge.
Can I use lithium batteries with this controller?
Yes. The controller supports lithium batteries and can be configured with custom charging profiles through VictronConnect.
Can I connect the controller to a GX device?
Yes. The VE.Direct communication port enables connection to compatible Victron GX monitoring and control systems.
Is this controller suitable for RV and marine applications?
Absolutely. Its compact size, Bluetooth monitoring, automatic load management, and high efficiency make it an excellent choice for RV, marine, and portable solar installations.
Manual