• Solar LCD Controller with Best Price Hot Selling Model DM120A System 1
  • Solar LCD Controller with Best Price Hot Selling Model DM120A System 2
  • Solar LCD Controller with Best Price Hot Selling Model DM120A System 3
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Solar LCD Controller with Best Price Hot Selling Model DM120A

Solar LCD Controller with Best Price Hot Selling Model DM120A

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China main port
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Min Order Qty:
1 unit
Supply Capability:
10000 unit/month

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Production Introduction

Solar controller is control device which can control solar panel and transform solar energy into electricity then store to the battery bank. Solar controller is the most important part in offgrid system, whose performance has much effect on life expectancy and operation of the whole system, especially the battery expectancy. 

Application Areas

Standalone Photovoltaic power station

Standalone Domestic household photovoltaic power system

Mobil communication base stations, expressway and other non-residential regions.

Coastal islands, remote mountainous, border posts for regions shortage of or without electricity.

Government demonstration projects, landscape lighting project etc.



Solar Controller with Best Price Hot Selling Model DM120A

Solar Controller with Best Price Hot Selling Model DM120A

Solar Controller with Best Price Hot Selling Model DM120A



Q:Can a solar controller be used for grid-tied solar systems?
No, a solar controller cannot be used for grid-tied solar systems. Grid-tied solar systems typically use inverters to convert the direct current (DC) generated by the solar panels into alternating current (AC) that can be fed back into the grid. Solar controllers, on the other hand, are used in off-grid systems to regulate the charging and discharging of batteries.
Q:What is the role of a solar controller in maintaining battery health?
The role of a solar controller in maintaining battery health is to regulate the charging process of the battery connected to the solar panel system. It ensures that the battery is charged at the optimal voltage and current levels, preventing overcharging or undercharging, which can both be damaging to the battery's health. By maintaining the battery within its safe operating range, the solar controller helps prolong its lifespan and ensures its efficiency and reliability over time.
Q:How does a solar controller handle over-discharging of the battery?
A solar controller is designed to prevent over-discharging of the battery by implementing a mechanism called low-voltage disconnect (LVD). When the battery voltage drops below a certain threshold, typically set at around 11.5 volts for a 12-volt system, the solar controller will disconnect the load from the battery. This prevents the battery from being discharged beyond a safe level, which can significantly reduce its lifespan. Once the load is disconnected, the solar controller will continue to monitor the battery voltage. When the battery voltage rises above a specific level, often set at around 12.6 volts for a 12-volt system, the solar controller will reconnect the load, allowing the battery to be used again. In addition to LVD, some advanced solar controllers may also incorporate additional features to protect the battery from over-discharging. For example, they may have battery voltage sensing capabilities to accurately measure the battery voltage and trigger the LVD at the appropriate threshold. They may also have adjustable LVD settings, allowing users to customize the disconnect and reconnect voltages based on their specific requirements. Overall, a solar controller plays a crucial role in preventing over-discharging of the battery, ensuring its longevity and optimal performance in solar power systems.
Q:Can a solar controller be used with solar panel balcony mounts?
Yes, a solar controller can be used with solar panel balcony mounts. A solar controller is responsible for regulating the amount of power that is supplied to the battery from the solar panels. It helps to prevent overcharging and ensures efficient energy management. Regardless of the mounting location, such as a balcony, a solar controller can still be used to optimize the performance and protection of the solar panel system.
Q:How do you set up and program a solar controller?
To set up and program a solar controller, you need to follow a few key steps. First, connect the solar panel to the controller's solar input terminals. Then, connect the battery to the controller's battery terminals. Make sure you have the correct voltage settings for both the solar panel and battery. Next, connect any load or device you want to power with the controller to its load terminals. Once the physical setup is complete, refer to the controller's manual to understand its programming options. This typically involves navigating through the controller's menu using buttons or a display interface to set parameters such as battery type, charging voltage, load control, and other settings. Adjust these settings according to your specific requirements and preferences. It is important to consult the controller's manual and understand its unique features and programming options to ensure optimal performance and efficiency.
Q:Can a solar controller handle power fluctuations from the battery bank?
Yes, a solar controller is designed to handle power fluctuations from the battery bank. It regulates and stabilizes the charging and discharging of the batteries, ensuring a consistent flow of power from the solar panels to the batteries and vice versa. This helps to protect the batteries from overcharging or discharging, while also optimizing the efficiency and performance of the solar power system.
Q:How does a solar controller handle battery over-temperature protection?
A solar controller handles battery over-temperature protection by monitoring the temperature of the battery and activating a protection mechanism when it exceeds a certain threshold. This mechanism typically involves reducing or cutting off the charging current to prevent further temperature rise and potential damage to the battery.
Q:Can a solar controller be used in a hybrid solar power system?
A hybrid solar power system can utilize a solar controller. The solar controller, also known as a charge controller, is an essential part of any solar power system, including hybrid systems. Its primary function is to regulate the electricity flow between the solar panels and the batteries. In a hybrid solar power system, the solar panels are not the sole power source. They are combined with other energy sources like a backup generator or grid power. Regardless of the energy source, the solar controller plays a crucial role in managing the charging and discharging of the batteries. The solar controller ensures optimal battery charging and prevents damage from overcharging or deep discharging. It also helps maintain a stable voltage and current output from the solar panels, which is crucial for the efficient operation of the hybrid system. Moreover, a solar controller can incorporate advanced features like Maximum Power Point Tracking (MPPT) or Pulse Width Modulation (PWM) to maximize the energy harvest from the solar panels. These features are advantageous for both standalone solar systems and hybrid systems. To summarize, a solar controller is a vital component in a hybrid solar power system. It regulates the electricity flow and ensures optimal battery charging and discharging, regardless of the energy source being utilized.
Q:Can a solar controller be used with solar-powered indoor waste recycling systems?
Yes, a solar controller can be used with solar-powered indoor waste recycling systems. The solar controller helps regulate the flow of electricity from the solar panels to the recycling system's components, ensuring efficient and effective operation.
Q:Can a solar controller be used with a solar-powered spa or wellness center?
Yes, a solar controller can be used with a solar-powered spa or wellness center. A solar controller is designed to regulate the flow of electricity from solar panels to the batteries or appliances, ensuring optimal energy utilization. In the context of a spa or wellness center, a solar controller can effectively manage the power generated by solar panels, enabling the facility to operate efficiently and sustainably.

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