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BlueSolar MPPT 150/70-MC4 Controller — is a high-tech charger based on the ultra-fast Maximum Power Point Tracking (MPPT) algorithm. This model is specially designed for designing efficient solar power plants where battery assemblies with a voltage of 12 V, 24 V, or 48 V are used.
The device works without problems with an input voltage from solar batteries up to 150 V and is capable of generating a charging current of up to 70 A. Thanks to such impressive characteristics, the controller becomes a flawless choice for building powerful autonomous or hybrid power grids with a large number of solar panels.
A sturdy metal casing with a heatsink that provides reliable passive cooling, omnivorousness in terms of types of connected batteries, and seamless synchronization with Victron monitoring equipment make the MPPT 150/70-MC4 a professional and durable tool for solar generation.
Important Advantages of BlueSolar MPPT MC4
- Latest generation MPPT algorithm — increases power generation up to 30% compared to traditional PWM analogs
- Extended input voltage range (up to 150 V DC) allows connecting solid arrays of solar modules: up to 1000 W for 12 V systems / up to 2000 W for 24 V / up to 4000 W for 48 V.
- Peak charging current reaches 70 A
- Automatic system voltage detection (12/24/48 V) — the controller independently adapts to the battery bank
- Full compatibility with various types of batteries, including advanced lithium-iron-phosphate (LiFePO₄)
- Rugged casing with a massive heatsink — guarantees silent and efficient passive cooling
- Comprehensive protection of internal components — against short circuits, overheating, reverse polarity, and overvoltage
- Deep programming of charge parameters — complete freedom in setting up profiles
- VE.Direct universal port — for organizing monitoring and configuring the device
- Ultra-low standby power consumption — less than 20 mA
Features of the Applied Technologies
Lightning-fast MPPT Tracker
- The ultra-fast algorithm continuously adapts to changes in illumination, finding the optimal operating point. This is critical for maximizing energy generation during periods of variable cloud cover.
High-voltage input from panels (up to 150 V)
- Allows series connection of a large number of panels (strings). This minimizes energy losses on cable routes and significantly simplifies the installation process.
Working with Powerful PV Arrays
Maximum solar field power:
- 1000 W (12 V)
- 2000 W (24 V)
- 4000 W (48 V)
Thermal Stability and Reliability
- The device works confidently at temperatures from –30°C to +60°C. Intelligent power reduction is provided when the heatsink overheats.
Parameter Configuration via VictronConnect
- The interface provides access to any settings: voltages for different charging stages (bulk, absorption, float), absorption time, and other important parameters.
Intelligent System Protection
- Blocking voltage surges on the PV input side and batteries
- Temperature modulation of power (overheating protection)
- Safety when connected with reverse polarity
- Protection against short circuits on the output terminals
Controller Application Scenarios
- Home solar stations (autonomous or backup) — ideal in tandem with MultiPlus / Quattro inverters
- Mobile energy complexes — trucks, motorhomes, expedition vehicles
- Marine systems — yachts, boats, floating platforms
- Industrial and commercial facilities — where the installation of large PV arrays is necessary
- Remote infrastructure nodes — with full remote telemetry via the VRM portal
Communication Interfaces and Telemetry
VE.Direct Port Capabilities:
- Direct connection to Color Control GX, Cerbo GX, Venus GX control panels
- Configuration via the VictronConnect app (requires a VE.Direct Bluetooth Smart Dongle adapter or a VE.Direct - USB cable)
- Detailed real-time monitoring: current, voltage, error logs, generation statistics
LED Indication (LED):
- Visual notification about the current charge phase, MPPT operation, and system warnings
Load Switching
The design of this model does not provide a separate output (Load) for connecting a load.
To reliably protect the batteries from deep discharge and intelligent consumer management, we recommend using:
- Victron BatteryProtect — disconnects power lines upon reaching a set discharge threshold
- VE.Bus BMS or Lynx Smart BMS — specialized systems for monitoring lithium batteries
- Integration with Victron inverters — to implement comprehensive system management