High efficiency 20A MPPT solar charge controller for solar panels up to 260W (12V) / 520W (24V) up to 150V
High efficiency 20A MPPT solar charge controller for solar panels up to 260W (12V) / 520W (24V) up to 150V
SKU:TR2215BN
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20A MPPT Solar Charge Controller
High Efficiency MPPT Technology | 12V/24V Auto | Max 150V PV Input
The Photonic Universe 20A MPPT Solar Charge Controller (SKU: TR2215BN) is engineered for optimal solar system performance, utilising advanced Maximum Power Point Tracking (MPPT) technology. This controller efficiently manages power from your solar panels to your battery bank, ensuring maximum energy harvest by dynamically tracking the solar panel's peak power voltage point. It is suitable for a wide range of solar panel configurations and is designed for 12V or 24V battery systems.
Outperforming traditional PWM controllers, this unit offers superior efficiency and a broad solar input voltage range, making it a versatile choice for various off-grid and grid-tied solar applications in the UK. Its robust design includes comprehensive electronic protection and advanced communication options for enhanced monitoring and control.
KEY CAPACITY: Supports up to 260W solar for 12V systems and 520W for 24V systems.
Key Features
| ▶ Advanced MPPT Technology — Maximises solar panel efficiency with >95% conversion. |
| ▶ Automatic 12V/24V Recognition — Simplifies setup for common battery system voltages. |
| ▶ Wide Solar Input Voltage — Compatible with solar panels up to 150V for flexible system design. |
| ▶ Comprehensive Protection — Built-in safeguards against common electrical faults. |
| ▶ Communication Ports — RS485/RJ45 for remote monitoring via PC, Wi-Fi module, or remote meter. |
| ▶ External Temperature Sensor — Enhances charging accuracy by compensating for battery temperature. |
| ▶ Current Limiting Function — Ensures safe operation at its rated 20A output. |
| ▶ Durable Design — Die-cast aluminium housing for effective heat dissipation and longevity. |
Technical Specifications
| Parameter | Value |
|---|---|
| System Voltage | 12V / 24V Auto |
| Max. PV Input Voltage | 150V |
| Max. PV Input Power (12V) | 260W |
| Max. PV Input Power (24V) | 520W |
| Rated Charge Current | 20A |
| MPPT Tracking Efficiency | >95% |
| Terminals | 3 pairs (PV, Battery, Load) up to 10mm² |
| Grounding | Negative Common |
| Communication Port | RS485 / RJ45 |
| Self-Consumption (12V) | <60mA |
| Self-Consumption (24V) | <30mA |
| Operating Temperature | -35°C to +55°C |
| Dimensions (L x W x H) | 21.6 x 14.2 x 5.6 cm |
| Weight | 1.5 kg |
Charging & Battery Modes
This MPPT charge controller intelligently manages the charging process for your batteries, automatically detecting 12V or 24V battery systems. It employs advanced charging algorithms to optimise battery health and longevity.
| Feature | Description |
|---|---|
| System Voltage Auto-Recognition | Automatically identifies and adapts to 12V or 24V battery systems upon connection. |
| Temperature Compensation | Utilises an external temperature sensor for precise battery temperature measurement and optimised charging (-3mV/°C/2V). |
| Charging Status Indicators | LED lights provide clear visual feedback on charging status and battery condition. |
Typical Applications
The Photonic Universe 20A MPPT charge controller is highly versatile, suitable for a range of solar power setups requiring efficient battery charging and system management.
| Application | Description |
|---|---|
| Off-Grid Cabins & Sheds | Efficiently charges batteries for lighting, small appliances, and essential power in remote locations. |
| Motorhomes & Caravans | Maintains leisure battery charge, extending off-grid travel capabilities. |
| Boats & Marine Systems | Reliable power management for marine leisure batteries and onboard electronics. |
| Small Backup Power Systems | Ideal for maintaining battery banks in small-scale emergency power setups. |
Built-In Protection Functions
This charge controller is equipped with a comprehensive suite of electronic protection features to ensure the safety and longevity of your solar system. These include reverse current prevention at night • automatic cut-off for over-charging and deep discharge prevention • solar panel over-voltage protection • over-load protection • short circuit protection • and reverse polarity protection. It also features self-diagnostic capability with advanced fault-targeting technology and an optional audible alarm for system failures.
Common Questions
What is MPPT technology?
MPPT (Maximum Power Point Tracking) technology allows the charge controller to find the optimal voltage and current point of your solar panels. This ensures that your solar system extracts the maximum possible power, leading to higher efficiency compared to traditional PWM controllers.
Can this controller be used with both 12V and 24V battery systems?
Yes, the Photonic Universe 20A MPPT controller features automatic system voltage recognition, allowing it to work seamlessly with either 12V or 24V battery banks.
What are the benefits of the communication port?
The RS485/RJ45 communication port allows for advanced monitoring and parameter adjustment. You can connect a remote meter, a Wi-Fi module for mobile app control, or a PC/laptop to view real-time data such as voltage, current, battery state of charge, and accumulated energy.
What is the maximum solar panel voltage this controller can handle?
This controller can accept a maximum open-circuit voltage (Voc) from your solar panels of up to 150V, providing flexibility in panel selection and stringing.
Installation Notes
- Ensure the controller is mounted in a well-ventilated area, away from direct sunlight and moisture.
- Always connect the battery first, then the solar panels, and finally the load (if applicable).
- Use appropriate cable gauges for all connections to prevent voltage drop and ensure safety.
- Refer to the detailed user manual for specific wiring diagrams and operational instructions.
- Professional installation is recommended for optimal performance and safety.
Before You Buy
- Verify your battery system voltage (12V or 24V) matches the controller's auto-detection capability.
- Confirm your total solar panel power (in Watts) does not exceed the controller's maximum input (260W for 12V, 520W for 24V).
- Check that your solar panel's open-circuit voltage (Voc) does not exceed 150V.
- Consider your communication and monitoring needs to determine if additional accessories (remote meter, Wi-Fi module) are required.
- Ensure you have adequate space for mounting the controller, considering its dimensions and ventilation requirements.
Please verify all specifications and compatibility requirements before purchase. This product is covered by a 2-year manufacturer warranty.
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