Product MODEL: SCH 40A





  • MPPT efficiency 99.5%
  • Builtin PV & battery breaker
  • PV high voltage input 120V~450Vdc
  • BMS communication through RS485
  • Comfortable installation and commissioning
  • Multi-stage charging optimizes battery performance
  • Multi-function LCD+ LED display, system information intuitively
  • Compatible with Gel, AGM, Flooded, lead-acid and Lithium battery


This versatile charge controller is designed to work with a variety of solar panels and battery types, making it the perfect solution for your home, office, or business. With its MPPT technology, the charge controller can extract up to 99.5% of the available solar energy, giving you more power for your use.

The charge controller also features a host of other advanced features, including:

  • Multi-stage charging to optimize battery performance
  • Comprehensive protection to keep your system safe
  • Quiet operation and easy installation
  • RS485 communication port for remote monitoring

The Significance of 40A with Heatsink Cooling:

Now, you might wonder what sets the 40A Solar Charge Controller with Heatsink Cooling apart. The “40A” refers to its capacity to handle up to 40 Amperes of current. This capacity is significant for several reasons:

  • Cooling Technology: Unlike Fan Cooling, Heatsink Cooling employs a passive cooling mechanism, dissipating heat without the need for noisy fans. This results in a quieter and low-maintenance operation.
  • Handling Larger Loads: A 40A controller is well-suited for systems with higher energy demands, making it ideal for both residential and commercial solar installations.
  • Optimal Charging: It facilitates faster battery charging, ensuring a reliable power supply, particularly during cloudy days or periods of increased energy consumption.
  • Future Expansion: The 40A capacity allows room for the potential expansion of your solar system, accommodating additional solar panels or energy-intensive appliances.
  • Efficient Solar Harvest: Achieve maximum energy output from your solar panels with advanced MPPT technology, enhancing energy efficiency and cost savings.
  • Versatility: Compatible with various battery types and solar panel configurations, this charge controller adapts seamlessly to your unique energy needs.
  • Battery Protection: Safeguard your battery bank from overcharging and over-discharging, guaranteeing the longevity and dependability of your energy storage.
  • Ease of Use: Enjoy straightforward installation and monitoring due to its user-friendly design and intuitive display.

Heatsink cooling has several advantages over other methods of cooling solar charge controllers, such as air cooling. These advantages include:

  • It is more efficient: Heatsink cooling can dissipate more heat than air cooling, which means that the controller can run cooler and last longer.
  • It is more reliable: Heatsink cooling is not as affected by the environment as air cooling, which means that the controller is less likely to malfunction.
  • It is quieter: Heatsink cooling does not produce any noise, which is important for applications where noise is a concern.

So if you’re looking for a reliable and efficient way to harness the power of the sun, the 40A MPPT Solar Charge Controller with Heatsink Cooling from SMKSolar Technology Nigeria Limited is the perfect choice for you.

More Data:


Frequently Asked Questions

A solar charge controller with heatsink cooling is a type of solar charge controller that uses a heatsink to dissipate heat. This helps to prevent the controller from overheating, which can damage it.

MPPT stands for Maximum Power Point Tracking. It's an advanced technology in charge controllers that optimizes the solar panel's output, allowing you to harvest more energy from your panels.

The installation of a solar charge controller with heatsink cooling is relatively simple. However, it is important to follow the instructions carefully to avoid damage to the controller or your batteries.

Solar charge controllers with heatsink cooling are generally low-maintenance devices. However, it is important to inspect them regularly for signs of damage or wear and tear. You should also clean the controller periodically to remove dust and debris.

Yes, it's possible to connect multiple charge controllers in parallel to accommodate larger solar arrays and battery banks, but ensure they are compatible and properly configured.

Common issues include overcharging, undercharging, or controller failure. Regular monitoring and proper installation help prevent these problems.