30A 12/24V solar charge controller / regulator with LCD display and powerful dual USB output (2.4A)
30A 12/24V solar charge controller / regulator with LCD display and powerful dual USB output (2.4A)
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30A 12/24V Solar Charge Controller
Model: VS3024AU | PWM Technology | Dual 2.4A USB Output
The Photonic Universe 30A 12/24V Solar Charge Controller (model VS3024AU) is a robust and intelligent regulator designed for efficient management of your solar power system. This unit automatically detects 12V or 24V battery systems and employs advanced Pulse Width Modulation (PWM) technology to optimise battery charging, helping to extend battery lifespan and potentially recover lost capacity.
Ideal for various off-grid solar applications in the UK, this controller provides comprehensive protection for your battery bank and connected devices. It features a clear LCD display for real-time monitoring of solar panel and battery performance, alongside a convenient dual USB output for charging mobile phones, tablets, and other USB-compatible devices.
KEY BENEFIT: Advanced PWM charging with a powerful 2.4A dual USB output for device charging.
Key Features
| ▶ 30A 12/24V Auto-Detection — Automatically adapts to your battery system voltage. |
| ▶ PWM Charging Technology — Optimises battery charging, extending lifespan and improving performance. |
| ▶ Dual 5V 2.4A USB Output — Fast and powerful charging for USB-compatible devices. |
| ▶ LCD Display & User Interface — Clear monitoring of system parameters and easy navigation with two buttons. |
| ▶ Energy Statistics Counter — Tracks daily and monthly charge values for performance analysis. |
| ▶ Load Output Functionality — Connect a 12V DC load with programmable settings for night-time applications. |
| ▶ Multiple Battery Type Support — Compatible with Sealed, Gel, and Flooded lead-acid batteries. |
| ▶ Remote Temperature Sensor Port — Allows for more precise battery temperature measurement (sensor sold separately). |
Technical Specifications
| Parameter | Value |
|---|---|
| Rated Charge/Discharge Current | 30A |
| System Voltage | 12V / 24V Auto |
| Max. Solar Panel Input Power (12V) | 480W |
| Max. Solar Panel Input Power (24V) | 960W |
| Max. Solar Panel Input Voltage | 50V |
| USB Output | Dual 5V / 2.4A (Total) |
| Self-Consumption (12V) | ≤9.2mA |
| Self-Consumption (24V) | ≤11.7mA |
| Working Temperature | -25°C to +55°C |
| Dimensions (L x W x H) | 18 x 10.1 x 6 cm |
| Weight | 550 g |
Charging & Battery Modes
The Photonic Universe 30A charge controller offers flexible charging programs to suit various battery chemistries, ensuring optimal performance and longevity for your energy storage system. It automatically detects 12V or 24V battery banks upon connection.
| Feature | Description |
|---|---|
| Battery Type Selection | User-selectable charging programs for Sealed (default), Gel, and Flooded lead-acid batteries. |
| PWM Charging Algorithm | Utilises Pulse Width Modulation for efficient, multi-stage battery charging, improving charge acceptance. |
| Temperature Compensation | Built-in temperature sensor and optional remote sensor input for accurate charging voltage adjustment. |
| Load Output Control | Programmable 12V DC load output with various timer settings, suitable for lighting or small appliances. |
Typical Applications
| Application | Description |
|---|---|
| Off-Grid Cabins & Sheds | Manages solar charging for lighting, small appliances, and USB device charging in remote locations. |
| Caravans & Motorhomes | Ensures efficient charging of leisure batteries from solar panels, providing power for onboard electronics. |
| Small Marine Vessels | Maintains boat battery health and provides power for navigation lights and small electronic devices. |
| Backup Power Systems | Integrates solar panels to keep backup batteries charged for essential loads during power outages. |
Built-In Protection Functions
This Photonic Universe charge controller is equipped with a comprehensive suite of electronic safety features to protect your solar system and batteries. These include protection against reverse current at night (from battery to solar panel) • automatic cut-off to prevent over-charging • deep discharge protection • overheating protection • overload protection • short circuit protection • and reverse polarity protection for both solar panels and batteries.
Common Questions
What battery types are compatible with this controller?
This controller is designed for use with 12V or 24V lead-acid batteries, including Sealed (default setting), Gel, and Flooded types. You can select the appropriate battery type through the controller's settings.
Can I charge my mobile phone directly from this controller?
Yes, the controller features a powerful dual USB output providing a total of 2.4A at 5V, allowing for fast charging of USB-compatible devices such as mobile phones, tablets, and MP3 players.
What is the maximum solar panel input I can connect?
For a 12V battery system, the maximum recommended solar panel input power is 480W. For a 24V battery system, this increases to 960W. The maximum solar panel input voltage is 50V.
How does PWM technology benefit my battery?
PWM (Pulse Width Modulation) technology helps to increase the battery's charge acceptance, reduce battery stress, and can contribute to extending the overall lifespan of your battery bank. It can also help recover some lost battery capacity over time.
Installation Notes
- Ensure correct polarity when connecting solar panels, battery, and load to prevent damage.
- Mount the controller in a cool, dry, and well-ventilated area, away from direct sunlight and moisture.
- Use appropriate cable gauges for your system's current to minimise voltage drop and ensure safety.
- Connect the battery to the controller first, then the solar panels, and finally the load. Disconnect in reverse order.
- Refer to the manufacturer's user manual for detailed wiring diagrams and operational instructions.
Before You Buy
- Verify your total solar panel wattage does not exceed 480W (for 12V systems) or 960W (for 24V systems).
- Confirm your battery bank voltage is either 12V or 24V.
- Check the maximum open-circuit voltage (Voc) of your solar array to ensure it does not exceed 50V.
- Consider if you require a remote temperature sensor (sold separately) for enhanced battery charging accuracy.
- Ensure you have adequate space for mounting the controller and access for wiring.
All specifications are based on manufacturer data. Please verify compatibility with your specific solar system components before purchase. This product is covered by a 1-year manufacturer warranty.
Solarika.co.uk
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