100A MPPT Solar Charge Controller – Maximise your solar output, whatever the weather
You’ve invested in high-quality solar panels, but an inefficient controller can waste 20–30% of your generated energy. This 100A MPPT charge controller solves that problem by constantly tracking the maximum power point, ensuring your battery receives every watt your panels capture—no approximations, just pure efficiency. Designed for both 12V and 24V systems, it sets up in minutes and gives you complete control over every parameter of your installation.
Why choose this model? (Key Advantages):
- Superior efficiency over PWM — The advanced MPPT algorithm recovers up to 30% more energy than standard controllers, especially during cloudy days or low-light conditions.
- Scalable performance — Supports up to 1200W of panels for 12V systems and 2400W for 24V systems, with automatic voltage detection for hassle-free installation.
- Real-time LCD display — Monitor battery voltage, charging current, and solar panel output at a glance without needing extra apps or external connections.
- 7-point integrated protection — Built-in safeguards against short circuits, reverse polarity, overloads, overheating, night-time discharge, lightning, and open circuits ensure your equipment stays safe.
- Dual MOSFET anti-backflow — Prevents reverse current at night and minimises thermal loss, allowing for quiet operation even under heavy loads.
- Automatic temperature compensation — Dynamically adjusts charging voltage based on ambient temperature to significantly extend the lifespan of your batteries.
Details and Performance
At the heart of this unit is an industrial-grade microcontroller that continuously monitors and adjusts charging parameters in real-time. The MPPT algorithm constantly scans the I-V curve of your panels to lock onto the maximum power point, even as weather conditions shift rapidly. You can select your battery type—lead-acid, AGM, or gel—directly from the menu, with fully adjustable absorption, float, and cut-off voltages for precise compatibility with your specific battery bank.
| Parameter | Specification |
|---|---|
| Nominal Voltage | 12V / 24V (Auto-detect) |
| Rated Charging Current | 100A |
| Max. Solar Input Voltage | 50V |
| Max. Panel Power (12V) | 1200W |
| Max. Panel Power (24V) | 2400W |
| Charging Algorithm | MPPT (Maximum Power Point Tracking) |
| Display | Multifunctional LCD |
| Integrated Protections | Short circuit, reverse polarity, overload, open circuit, night discharge, lightning, overheating |
| Temperature Compensation | Yes – Automatic |
| MOSFET Type | Dual – Anti-backflow |
| Product Dimensions | 144 × 78 × 33 mm |
| Packaging Dimensions | 157 × 88 × 48 mm |
| Weight | 300 g |
Programming and Usage Instructions
- Connect your battery to the B+ and B– terminals first, ensuring you observe the correct polarity.
- Connect your solar panels to the PV+ and PV– terminals—always verify that the total string voltage does not exceed 50V.
- Use the LCD buttons to select your battery type: flooded lead-acid, AGM, or gel.
- Adjust the absorption, float, and discharge cut-off voltages according to your battery manufacturer’s specifications.
- Review the displayed values—battery voltage, current, and panel power—to confirm the system is operating correctly.
- Connect your load to the LOAD+ and LOAD– terminals once configuration is complete.
Package Contents
- 1 × 100A 12V/24V MPPT Solar Charge Controller with LCD Display
Frequently Asked Questions
Does the controller automatically detect 12V or 24V systems?
Yes. Upon the first connection to the battery, the unit automatically detects the system voltage and configures itself without any manual input required.
Which battery types are compatible?
It is compatible with flooded lead-acid, AGM, and gel batteries. Charging parameters can be adjusted individually via the LCD menu for each type.
Can I connect panels in series or parallel?
Yes, you can use any combination, provided the total input voltage remains below 50V and the total power does not exceed 1200W (for 12V) or 2400W (for 24V).
Do I need extra cooling for 100A continuous use?
The internal heat dissipation and dual MOSFET system manage heat efficiently under normal conditions. For maximum continuous loads, mount the controller in a well-ventilated area to ensure proper airflow.
What happens if I accidentally reverse the battery polarity?
The reverse polarity protection will prevent damage to the internal circuitry. However, always double-check your connections before powering up to ensure the longevity of your equipment.
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