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High efficiency 20A MPPT solar charge controller for solar panels up to 260W (12V) / 520W (24V) up to 100V
Art: PTR2210AN
Description
Photonic Universe ▶ MPPT Series
20A MPPT Solar Charge Controller
Model PTR2210AN | Max 100V PV Input | 12V/24V Auto
The Photonic Universe PTR2210AN is a high-efficiency 20A MPPT solar charge controller designed to optimise power harvest from your solar panels. Utilising advanced Maximum Power Point Tracking (MPPT) technology, it intelligently adjusts to varying sunlight and temperature conditions, ensuring your solar system operates at peak efficiency, outperforming traditional PWM controllers.
This controller supports solar panel input voltages up to 100V, making it versatile for various solar panel configurations. It can handle up to 260W for 12V battery systems or 520W for 24V battery systems, making it ideal for both domestic and off-grid applications in the UK.
OPTIMAL EFFICIENCY: Advanced MPPT technology ensures over 95% system efficiency for maximum energy yield.
Key Features
| ▶ Advanced MPPT Technology — Maximises solar panel power output with >95% system efficiency. |
| ▶ Auto 12V/24V System Detection — Automatically recognises battery voltage for seamless integration. |
| ▶ Wide PV Input Range — Supports solar panel voltages up to 100V, enhancing system flexibility. |
| ▶ Comprehensive Protection — Built-in safeguards against overcharge, deep discharge, and short circuits. |
| ▶ LCD Display & Buttons — Real-time monitoring of charging parameters and easy battery type selection. |
| ▶ Lithium Battery Compatibility — Supports lithium batteries via PC software or mobile app configuration. |
| ▶ Expandable Monitoring — RS485 port for remote meter, Wi-Fi module, or PC connection. |
| ▶ Current Limiting Function — Allows for future expansion of solar panel capacity up to 20A. |
Technical Specifications
| Parameter | Value |
|---|---|
| System Voltage | 12V / 24V Auto |
| Rated Charge Current | 20A |
| Max. PV Input Voltage | 100V |
| Max. PV Input Power (12V) | 260W |
| Max. PV Input Power (24V) | 520W |
| MPPT Tracking Efficiency | >99.5% |
| Conversion Efficiency | >95% |
| Self-Consumption | <12mA |
| Communication Port | RS485 / RJ45 |
| Grounding | Negative Common |
| Operating Temperature | -25°C to +50°C |
| Dimensions (L x W x H) | 22 x 15.4 x 5.2 cm |
| Weight | 0.94 kg |
Charging & Battery Modes
The Photonic Universe PTR2210AN controller offers flexible charging options and broad battery compatibility, ensuring optimal performance and longevity for your energy storage system.
| Feature | Description |
|---|---|
| Battery Compatibility | Supports Sealed, Gel, and Flooded lead-acid batteries directly via LCD. |
| Lithium Battery Support | Compatible with lithium batteries when a specific charging program is selected using PC software or mobile app. |
| Temperature Compensation | Built-in temperature sensor for automatic charging parameter adjustment. External sensor port available for enhanced accuracy (not enabled for lithium). |
| Programmable Parameters | Advanced users can adjust battery capacity, charging voltages, stage durations, and create user-defined battery types via PC software or mobile app. |
Typical Applications
| Application | Description |
|---|---|
| Off-Grid Solar Systems | Ideal for cabins, sheds, and remote properties requiring reliable 12V or 24V power. |
| Motorhomes & Caravans | Efficiently charges leisure batteries from roof-mounted solar panels, even with higher voltage panels. |
| Boats & Marine Vessels | Maintains onboard battery banks for navigation, lighting, and appliances. |
| Small Commercial Installations | Suitable for powering remote monitoring stations, security cameras, or lighting systems. |
Built-In Protection Functions
The Photonic Universe PTR2210AN is equipped with a comprehensive suite of electronic protection features to ensure the safety and longevity of your solar system. These include protection against reverse current at night (from battery to solar panel) • automatic cut-off for over-charging • deep discharge prevention • solar panel overvoltage • overload • short circuit • and reverse polarity. The controller also features self-diagnostic capabilities with advanced fault-targeting technology to highlight system errors.
Common Questions
What is MPPT technology?
MPPT (Maximum Power Point Tracking) technology allows the charge controller to find the optimal voltage and current at which solar panels produce maximum power. This results in significantly higher energy harvest compared to traditional PWM controllers, especially in varying weather conditions or when panel voltage is higher than battery voltage.
Can I use this controller with lithium batteries?
Yes, the PTR2210AN is compatible with lithium batteries. To enable lithium battery charging, you will need to select the appropriate charging program using the PC software or mobile app, which connects via the RS485/RJ45 port.
What is the maximum solar panel power I can connect?
For a 12V battery system, the maximum recommended solar panel power is 260W. For a 24V battery system, it is 520W. The controller has a 20A current limiting function, allowing for some flexibility in panel sizing.
How do I monitor and adjust settings?
The controller features a built-in LCD screen for real-time parameters. For advanced monitoring and programming, it can connect to a remote meter (MT50), a Wi-Fi module for mobile app access, or directly to a PC/laptop via an RJ45 to USB cable using the free Solar Station Monitor software.
Installation Notes
- Always connect the battery to the charge controller first before connecting the solar panels.
- Ensure correct polarity for all connections (solar panel, battery, and load) to prevent damage.
- Mount the controller in a well-ventilated area, away from direct sunlight and heat sources, to ensure optimal performance and heat dissipation.
- Use appropriate cable gauges for your solar panels and battery bank to minimise voltage drop and ensure safety.
- Refer to the detailed user manual for specific wiring diagrams and operational instructions.
Before You Buy
- Verify your battery system voltage (12V or 24V) and ensure it matches the controller's auto-detection capabilities.
- Confirm your total solar panel power does not exceed 260W (for 12V systems) or 520W (for 24V systems).
- Check that your solar panel's open-circuit voltage (Voc) does not exceed 100V, especially in cold temperatures.
- Consider if you require advanced monitoring or lithium battery support, as these features require additional accessories (remote meter, Wi-Fi module, or PC cable) and software configuration.
- Ensure you have adequate space for mounting the controller and access for wiring.
Please verify all specifications and compatibility requirements before purchase. Product specifications are subject to change by the manufacturer. This product is typically supplied with a 1-year manufacturer warranty.
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