High efficiency 80A MPPT solar charge controller for solar panels up to 1000W (12V) / 2000W (24V) / 3000W (36V) / 4000W (48V) up to 200V
High efficiency 80A MPPT solar charge controller for solar panels up to 1000W (12V) / 2000W (24V) / 3000W (36V) / 4000W (48V) up to 200V
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80A MPPT Solar Charge Controller
High Efficiency | 12V/24V/36V/48V Auto | 200V Max PV Input
The Photonic Universe TR8420AN is a high-efficiency 80A MPPT solar charge controller designed to optimise power harvest from your solar panels. Utilising advanced Maximum Power Point Tracking (MPPT) technology, this controller ensures your solar system operates at peak efficiency, outperforming traditional PWM controllers, especially when solar panel voltage significantly exceeds battery voltage.
This versatile controller automatically recognises 12V, 24V, 36V, and 48V battery systems, making it suitable for a wide range of off-grid and hybrid solar installations. It supports a broad solar input voltage range of up to 200V, allowing for flexible panel configurations and higher system efficiency. With a robust 80A current limiting function and comprehensive electronic protection, the TR8420AN provides reliable and safe power management for your renewable energy setup.
SYSTEM COMPATIBILITY: Automatically detects 12V, 24V, 36V, or 48V battery systems. Supports Sealed, Gel, and Flooded lead-acid battery types, with user-defined options available via communication accessories.
Key Features
| ▶ Advanced MPPT Technology — Maximises solar energy harvest with >95% efficiency. |
| ▶ Wide PV Input Range — Accepts solar panel voltage up to 200V for flexible system design. |
| ▶ Auto Battery Voltage Detection — Automatically identifies 12V, 24V, 36V, and 48V battery systems. |
| ▶ High Power Capacity — Supports up to 4000W PV input for 48V systems. |
| ▶ Comprehensive Protection — Built-in safeguards against overcharge, deep discharge, and short circuits. |
| ▶ Integrated LCD Display — Real-time monitoring of charging parameters and system status. |
| ▶ Multiple Communication Options — Remote meter, Wi-Fi, and PC software for advanced control. |
| ▶ Parallel Connection Capability — Expandable up to 5 identical controllers for increased charging current. |
| ▶ Remote Temperature Sensor Port — Optimises charging based on precise battery temperature. |
Technical Specifications
| Parameter | Value |
|---|---|
| System Voltage | 12V / 24V / 36V / 48V Auto |
| Max. PV Input Voltage | 200V |
| Max. PV Input Power (12V) | 1000W |
| Max. PV Input Power (24V) | 2000W |
| Max. PV Input Power (36V) | 3000W |
| Max. PV Input Power (48V) | 4000W |
| Rated Charge Current | 80A |
| MPPT Tracking Efficiency | >99.5% |
| Conversion Efficiency | Max. 98% |
| Self-Consumption (12V) | 98mA |
| Self-Consumption (48V) | 46mA |
| Communication Port | RS485 / RJ45 Interface |
| Grounding | Negative Common Ground |
| Operating Temperature | -25°C to +60°C |
| Dimensions (L x W x H) | 394 x 240 x 134 mm |
| Weight | 6.1 kg |
Charging & Battery Modes
The Photonic Universe TR8420AN MPPT controller offers flexible charging options to protect and prolong battery life. It features a 3-stage charging algorithm for lead-acid batteries (Bulk, Boost, Float) and supports user-selectable battery types including Sealed, Gel, and Flooded. For specialised battery chemistries, custom charging parameters can be configured via the communication interfaces.
An integrated temperature sensor, along with an optional remote temperature sensor, ensures precise temperature compensation, optimising charging voltage for battery health. The controller's current limiting function (80A) prevents overcurrent situations, allowing for future system expansion without risk to the unit.
Advanced monitoring capabilities are provided through the built-in LCD, displaying real-time data such as voltage, current, battery state of charge, and accumulated energy. For more detailed insights and parameter adjustments, users can connect a remote meter (MT50), a Wi-Fi module for mobile app access, or an RJ45 to USB cable for PC monitoring and programming.
Typical Applications
| Application | Description |
|---|---|
| Off-Grid Homes & Cabins | Efficiently manages solar power for standalone residential systems, ensuring reliable energy supply. |
| Motorhomes & Caravans | Provides stable and efficient charging for leisure vehicle battery banks, powering onboard appliances. |
| Marine Vessels | Ideal for boats and yachts, maintaining battery charge for navigation, lighting, and essential electronics. |
| Remote Monitoring Stations | Ensures continuous power for telecommunications, weather stations, and security systems in isolated areas. |
| Small Business & Backup Power | Supports critical loads and provides backup power solutions for small commercial operations. |
Built-In Protection Functions
The Photonic Universe TR8420AN is equipped with a comprehensive suite of electronic protection features to safeguard your solar system components and ensure reliable operation. These include: reverse current prevention at night (from battery to solar panel) • automatic cut-off to prevent over-charging • protection against deep discharge • solar panel over-voltage protection • short circuit protection • automatic over-temperature power reduction (derating) • self-diagnostic capabilities with fault-targeting technology to highlight system errors.
Common Questions
What is MPPT technology and why is it beneficial?
MPPT (Maximum Power Point Tracking) technology optimises the power output from your solar panels by continuously tracking their maximum power voltage point. This results in significantly higher efficiency (up to 30% more power) compared to traditional PWM controllers, especially in varying light conditions or when panel voltage is higher than battery voltage.
Can I connect multiple solar panels to this controller?
Yes, you can connect multiple solar panels in series or parallel, provided the total open-circuit voltage does not exceed 200V and the total power input remains within the controller's specified limits for your battery voltage (e.g., 4000W for a 48V system). Always consult the user manual for wiring diagrams and safety guidelines.
Is this controller suitable for lithium batteries?
The controller comes with pre-programmed charging parameters for Sealed, Gel, and Flooded lead-acid batteries. For lithium batteries, a user-defined battery type can be configured via the communication interfaces (remote meter, Wi-Fi module, or PC software) to match specific charging requirements.
How do I monitor and adjust settings?
The controller features a built-in LCD screen for basic monitoring. For advanced monitoring and parameter adjustment, you can connect an optional remote meter (MT50), a Wi-Fi module for a mobile app (Android/iOS), or an RJ45 to USB cable for PC software (Solar Station Monitor).
Installation Notes
- Mount the controller indoors in a well-ventilated area, away from direct sunlight and moisture.
- Ensure at least 150mm clearance above and below the controller for adequate airflow and heat dissipation.
- Always connect the battery to the controller first before connecting solar panels to ensure proper system voltage recognition.
- Use appropriate external fuses/breakers as recommended in the user manual for safety.
- All wiring should be carried out by a qualified person following local electrical safety standards.
Before You Buy
- Verify your total solar panel voltage (Voc) does not exceed 200V.
- Confirm your total solar panel power (Wp) is within the controller's limits for your battery voltage.
- Ensure your battery bank voltage (12V, 24V, 36V, or 48V) is compatible.
- Consider if additional communication accessories (remote meter, Wi-Fi module, PC cable) are needed for your setup.
- Review the detailed user manual for specific wiring and operational instructions.
Always verify product specifications and compatibility with your existing system components before purchase. Installation should be performed by a qualified professional. This product is covered by a 1-year warranty.

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