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Victron SmartSolar MPPT 75/10 10A Solar Charge Controller
Art: VSSM75-10
Description
Victron Energy ● SmartSolar Series
Victron SmartSolar MPPT 75/10 Solar Charge Controller
10A | 75V Max PV | 12/24V Auto | Integrated Bluetooth
The Victron SmartSolar MPPT 75/10 10A Solar Charge Controller is an advanced solution for optimising energy harvest from your solar panels and maintaining battery health. Designed for 12V and 24V battery systems, this controller intelligently manages solar input up to 75V and 290W (24V) or 145W (12V), making it suitable for a wide range of off-grid and mobile applications.
Featuring Victron's ultrafast Maximum Power Point Tracking (MPPT) technology, it ensures maximum power extraction even in challenging weather conditions. Integrated Bluetooth connectivity allows for convenient monitoring and configuration via the VictronConnect App on your smartphone or tablet, eliminating the need for additional dongles.
IMPORTANT NOTE: Ensure your solar panel array's open circuit voltage (Voc) does not exceed 75V and total power is within 145W (12V) or 290W (24V).
Key Features
| ▶ Ultrafast MPPT Technology — Maximises energy harvest from solar panels by up to 30% compared to PWM controllers. |
| ▶ Integrated Bluetooth — Enables remote monitoring and configuration via the VictronConnect App on smart devices. |
| ▶ Intelligent BatteryLife Function — Extends battery lifespan by preventing full discharge through adaptive load disconnect thresholds. |
| ▶ Automatic 12/24V System Detection — Automatically adapts to the connected battery system voltage. |
| ▶ Comprehensive Electronic Protection — Built-in safeguards against common electrical faults. |
| ▶ IP43 Enclosure Rating — Offers protection against water spray and dust for internal components. |
Technical Specifications
| Parameter | Value |
|---|---|
| Model | SmartSolar MPPT 75/10 |
| Battery Voltage | 12 / 24V Auto Select |
| Max Charge Current | 10A |
| Max PV Open Circuit Voltage | 75V |
| Max PV Power (12V) | 145W |
| Max PV Power (24V) | 290W |
| Max Efficiency | 98% |
| Self-consumption | 12V: 20mA / 24V: 10mA |
| Communication Port | VE.Direct |
| Operating Temperature | -30°C to +60°C |
| Enclosure Protection | IP43 (electronics) / IP22 (connections) |
| Pollution Degree | PD3 |
| Dimensions (H x W x D) | 100 x 113 x 40 mm |
| Weight | 0.5 kg |
Charging & Battery Modes
The SmartSolar MPPT 75/10 employs a sophisticated multi-stage charging algorithm to ensure optimal battery health and longevity. This includes Bulk, Absorption, and Float stages, carefully managed to prevent overcharging and maximise charge acceptance.
The unique BatteryLife algorithm actively monitors the battery's state of charge and intelligently adjusts the load disconnect voltage. This adaptive feature helps to prevent deep discharge, ensuring the battery receives a full recharge regularly and significantly extending its service life.
This controller is compatible with a wide range of battery types, including AGM, Gel, Flooded (wet cell), and Lithium batteries, offering flexibility for various system designs.
Typical Applications
| Application | Description |
|---|---|
| Off-Grid Cabins & Sheds | Efficiently charges batteries for lighting, small appliances, and essential loads in remote locations. |
| Motorhomes & Caravans | Provides reliable solar charging for leisure batteries, extending autonomy on the road. |
| Small Marine Vessels | Robust design suitable for charging service batteries on boats and yachts. |
| Garden & Security Lighting | Manages power for standalone solar lighting systems, including streetlight functions via the app. |
Built-In Protection Functions
The Victron SmartSolar MPPT 75/10 is equipped with comprehensive electronic protection features to ensure safe and reliable operation. These include protection against battery reverse polarity • PV reverse polarity • output short circuit • and over-temperature, monitored via an internal temperature sensor. The unit also features self-diagnostic capabilities, signalling any system errors through LED indicators.
Common Questions
What is MPPT technology and why is it important?
MPPT (Maximum Power Point Tracking) technology continuously tracks the maximum power voltage point of your solar panels. This ensures that the controller extracts the maximum possible power from the solar array, especially beneficial during cloudy conditions or when light intensity changes, leading to a significantly higher energy yield compared to traditional PWM controllers.
How does the BatteryLife function work?
The BatteryLife function is an intelligent algorithm designed to extend battery lifespan. It monitors the battery's state of charge and, if necessary, gradually adjusts the load disconnect voltage. This ensures that the battery is consistently recharged to 100% over time, preventing damaging deep discharges and prolonging the battery's overall life.
Can I monitor the controller remotely?
Yes, the Victron SmartSolar MPPT 75/10 features integrated Bluetooth. You can connect to it wirelessly using the free VictronConnect App on your smartphone, tablet, or other Bluetooth-enabled device. This allows you to view live data, access detailed historical logs, and configure settings from a distance.
What battery types are compatible with this charge controller?
The Victron SmartSolar MPPT 75/10 is compatible with a variety of battery chemistries, including AGM, Gel, Flooded (wet cell), and Lithium batteries. This versatility makes it suitable for diverse solar power systems.
Installation Notes
- Installation should be performed by a qualified professional to ensure safety and compliance with local regulations.
- Ensure adequate ventilation around the controller to prevent overheating.
- Use appropriate cable gauges for solar panels, battery, and load connections to minimise voltage drop and ensure safety.
- Always connect the battery first, then the solar panels, and finally the load. Disconnect in reverse order.
- Install suitable overcurrent protection (fuses or circuit breakers) on all circuits.
Before You Buy
- Verify your solar panel array's maximum open circuit voltage (Voc) is below 75V.
- Confirm your total solar panel power (Wp) does not exceed 145W for a 12V battery system or 290W for a 24V battery system.
- Check compatibility with your existing battery type (AGM, Gel, Flooded, Lithium).
- Consider your system's total load current to ensure it does not exceed the controller's 10A output.
- Review the official Victron Energy datasheet for detailed specifications and installation guidelines.
Always verify product specifications and compatibility with your specific solar system components before purchase. This product is covered by a 5-year manufacturer's warranty.
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