Victron SmartSolar MPPT 250/85 85A solar charge controller for solar panels up to 1200W (12V) / 2400W (24V) / 3600W (36V) / 4900W (48V) up to 250V (Bluetooth inbuilt)
Victron SmartSolar MPPT 250/85 85A solar charge controller for solar panels up to 1200W (12V) / 2400W (24V) / 3600W (36V) / 4900W (48V) up to 250V (Bluetooth inbuilt)
SKU:VSSM250-85
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Victron SmartSolar MPPT 250/85 Solar Charge Controller
85A Output | 250V PV Input | Integrated Bluetooth
The Victron SmartSolar MPPT 250/85 85A Solar Charge Controller is engineered for superior energy harvesting and optimal battery health in diverse solar power systems. As part of Victron Energy's renowned SmartSolar range, this controller integrates advanced technology with robust design, making it a reliable choice for UK homeowners, off-grid users, and small businesses seeking efficient solar charging solutions.
Featuring ultrafast Maximum Power Point Tracking (MPPT) and built-in Bluetooth connectivity, the 250/85 model maximises power extraction from your solar panels, even under challenging conditions like partial shading. Its comprehensive protection features and flexible charging algorithms ensure long-term system stability and battery longevity.
KEY CAPABILITY: Ultrafast MPPT for enhanced energy harvest and optimal battery health.
Key Features
| ▶ Ultrafast MPPT Tracking — Maximises energy yield by up to 30% compared to PWM, especially in variable light conditions. |
| ▶ Integrated Bluetooth Smart — Enables wireless setup, monitoring, and firmware updates via the VictronConnect App on any smart device. |
| ▶ VE.Can & VE.Direct Ports — Allows multi-controller synchronisation (up to 25 units via VE.Can) and connection to Victron GX devices for advanced system integration. |
| ▶ Flexible Charge Algorithm — Fully programmable for various battery chemistries, including lead-acid (AGM, Gel, Tubular plate) and Lithium. |
| ▶ Comprehensive Electronic Protection — Safeguards against PV short circuit, reverse polarity, overvoltage, overcurrent, and battery faults. |
| ▶ Programmable Relay — Can be configured to control external devices, such as a generator start or a low battery alarm. |
| ▶ Optional LCD Display Port — Allows for direct, on-unit monitoring and setup with an accessory plug-in display (sold separately). |
Technical Specifications
| Parameter | Value |
|---|---|
| Model | SmartSolar MPPT 250/85-Tr VE.Can |
| MPN | SCC125085411 |
| Max PV Open Circuit Voltage | 250V |
| Max Charge Current | 85A |
| Battery Voltage (Auto Select) | 12V / 24V / 48V |
| Battery Voltage (Manual Select) | 36V (via app/display) |
| Max PV Power (12V Battery) | 1200W |
| Max PV Power (24V Battery) | 2400W |
| Max PV Power (36V Battery) | 3600W |
| Max PV Power (48V Battery) | 4900W |
| Efficiency | > 98% |
| Self-Consumption | <35mA (12V) / <20mA (48V) |
| Operating Temperature | -30°C to +60°C |
| Enclosure Protection | IP43 (electronic components) / IP22 (connection area) |
| Pollution Degree | PD3 |
| Dimensions (H x W x D) | 216 x 295 x 103 mm |
| Weight | 4.5kg |
| Communication Ports | VE.Direct, VE.Can, Bluetooth |
| Certifications | EN/IEC 62109-1, UL 1741, CSA C22.2 |
Charging & Battery Modes
| Feature | Description |
|---|---|
| Battery Compatibility | Compatible with AGM, Gel, Tubular plate, Lithium, and other user-defined battery types. |
| Charge Algorithm | Adaptive 3-stage charging, fully programmable via VictronConnect App, with eight pre-programmed options. |
| Temperature Compensation | Automatic compensation of absorption and float charge voltages via an internal temperature sensor. |
| Battery Recovery | Capable of recharging severely depleted batteries, even those discharged to 0V, provided cells are not permanently damaged. |
Typical Applications
| Application | Description |
|---|---|
| Off-Grid Solar Systems | Ideal for cabins, remote homes, and independent power setups requiring efficient battery charging. |
| Marine & RV Installations | Provides reliable and robust charging for leisure vehicles and boats in challenging environments. |
| Remote Industrial Sites | Suitable for powering telecommunications, monitoring equipment, and security systems in isolated locations. |
| Small to Medium Commercial Solar | Efficient energy management for businesses looking to integrate solar power into their operations. |
Built-In Protection Functions
The Victron SmartSolar MPPT 250/85 incorporates extensive electronic protection features to ensure safe and reliable operation. These include safeguards against: PV short circuit • PV reverse polarity • PV overvoltage • PV overcurrent • PV reverse current • Battery overvoltage • Battery reverse polarity • Battery overheating. The controller also features an internal temperature sensor for monitoring, self-diagnostic capability, and LED fault indicators for quick troubleshooting.
Common Questions
What is MPPT technology and why is it important?
MPPT (Maximum Power Point Tracking) technology continuously optimises the voltage and current output from your solar panels to maximise energy harvest. This is particularly beneficial in conditions where light intensity changes frequently, such as on cloudy days, improving energy yield by up to 30% compared to older PWM controllers.
How do I monitor and configure the SmartSolar 250/85?
The controller features built-in Bluetooth Smart, allowing wireless monitoring and configuration via the free VictronConnect App on your smartphone or tablet. Additionally, VE.Direct and VE.Can communication ports enable wired connections to other Victron devices, such as GX monitoring systems, or a PC.
Is this charge controller compatible with Lithium batteries?
Yes, the Victron SmartSolar MPPT 250/85 is compatible with a wide range of battery types, including AGM, Gel, Tubular plate, and Lithium. Its flexible and fully programmable charge algorithm allows for precise customisation to suit specific battery chemistries.
Can multiple SmartSolar controllers be used together?
Yes, the VE.Can communication port allows for the synchronisation of multiple SmartSolar controllers for parallel charging, enabling scalable system designs. Up to 25 units can be synchronised via VE.Can, and up to 10 units via Bluetooth.
Installation Notes
- Professional installation by a qualified electrician is highly recommended to ensure safety, compliance with local regulations, and optimal system performance.
- Ensure correct wiring gauge and appropriate fusing are used for both the PV array and battery connections, adhering to manufacturer guidelines.
- Mount the controller in a well-ventilated area, protected from direct sunlight, moisture, and excessive heat, to maintain optimal operating temperature and longevity.
- Always consult the official Victron Energy product manual for detailed installation instructions, wiring diagrams, and safety guidelines specific to this model.
Before You Buy
- Verify your total solar panel array's open-circuit voltage (Voc) and maximum power output (Pmax) to ensure it remains within the controller's 250V and specified wattage limits for your chosen battery voltage.
- Confirm your battery bank's nominal voltage (12V, 24V, 36V, or 48V) and chemistry to ensure compatibility and to correctly set the charging parameters.
- Consider any future expansion plans for your solar array or battery bank to ensure the controller can accommodate increased capacity without exceeding its limits.
- Ensure you have the necessary cables, connectors, and any optional accessories (e.g., external display) required for your specific installation.
All specifications are based on manufacturer data and are subject to change. Always refer to the official Victron Energy documentation for the most current information. This product is covered by a 5-year warranty.
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