• 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
  • Solar LCD Controller with Best Price Hot Selling Model DM120A System 4
Solar LCD Controller with Best Price Hot Selling Model DM120A

Solar LCD Controller with Best Price Hot Selling Model DM120A

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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:How does a solar controller handle different charging stages?
A solar controller manages different charging stages by regulating the flow of electricity from the solar panels to the battery. It monitors the voltage and current levels to ensure efficient charging and prevent overcharging. During bulk charging, the controller allows maximum current flow to quickly recharge the battery. In the absorption stage, the controller gradually reduces the charging current to avoid overcharging and sustain the battery capacity. Finally, in the float stage, the controller maintains a lower voltage to keep the battery at a fully charged state without causing any damage.
Q:Can a solar controller be used with solar-powered indoor healthcare institutions?
Yes, a solar controller can be used with solar-powered indoor healthcare institutions. A solar controller is a crucial component of a solar power system as it helps regulate the charging and discharging of batteries and controls the flow of electricity from the solar panels to the connected devices or appliances. In the case of solar-powered indoor healthcare institutions, a solar controller would play a vital role in ensuring that the solar panels are efficiently charging the batteries that power the institution's electrical systems. It would also prevent overcharging of the batteries, which can cause damage and reduce their lifespan. Moreover, a solar controller can help manage the electricity flow during periods of low sunlight or high demand. It can prioritize the use of solar energy for critical healthcare equipment and systems, ensuring uninterrupted power supply even during cloudy days or power outages. By utilizing a solar controller, solar-powered indoor healthcare institutions can effectively harness and optimize the energy generated from solar panels, reducing their reliance on traditional power sources and lowering operational costs. Additionally, solar power is a clean, renewable energy source, which aligns with the principles of sustainability and environmental responsibility commonly associated with healthcare institutions. In conclusion, a solar controller is an essential component for solar-powered indoor healthcare institutions as it helps regulate and optimize the use of solar energy, ensuring reliable and sustainable power supply to critical healthcare equipment and systems.
Q:Can a solar controller be used with solar-powered gate openers?
Yes, a solar controller can be used with solar-powered gate openers. A solar controller is responsible for regulating the flow of electricity from the solar panels to the gate opener's battery, ensuring optimal charging and preventing overcharging. It helps maximize the efficiency and lifespan of the gate opener's battery by maintaining the correct voltage and current levels.
Q:How does a solar controller handle low battery voltage disconnect?
A solar controller handles low battery voltage disconnect by monitoring the voltage level of the battery. When the voltage drops below a certain threshold, typically around 11.5 to 11.8 volts, the controller automatically disconnects the solar panels from the battery to prevent further discharge. This helps protect the battery from deep discharge, which can damage its capacity and lifespan.
Q:What is the typical response time of a solar controller in adjusting the charging parameters?
The typical response time of a solar controller in adjusting the charging parameters can vary depending on various factors such as the specific controller model, its design, and the complexity of the charging system. However, in general, modern solar controllers have relatively fast response times, typically ranging from a few milliseconds to a few seconds. Solar controllers are designed to constantly monitor the solar panel's output and the battery's state of charge, and adjust the charging parameters accordingly. When the solar panel's output exceeds the battery's charging capacity, the controller must quickly respond to prevent overcharging and potential damage to the battery. The response time of a solar controller is crucial in maintaining the optimal charging parameters. It needs to accurately sense the changes in solar panel output and battery conditions to effectively regulate the charge flow. This ensures that the battery is charged efficiently and safely, maximizing its lifespan and performance. The response time is influenced by several factors, including the controller's sensing and control circuitry, the quality of the components used, and the overall design of the controller. More advanced and sophisticated controllers often have faster response times due to their improved technology and enhanced control algorithms. It is important to note that the specific response time of a solar controller may be mentioned in its technical specifications provided by the manufacturer. It is recommended to consult these specifications or reach out to the manufacturer directly for accurate and detailed information on the response time of a particular solar controller model.
Q:What is the maximum temperature rating for a solar controller?
The specific model and manufacturer are factors that can cause the maximum temperature rating for a solar controller to differ. Nevertheless, a majority of well-made solar controllers are engineered to function effectively within a broad spectrum of temperatures, typically spanning from -40°C to 85°C (-40°F to 185°F). This wide temperature range guarantees that the controller remains resilient and durable, even in the face of harsh weather conditions like scorching summers or freezing winters. To ascertain the maximum temperature rating for a particular solar controller model, it is imperative to refer to the manufacturer's specifications or user manual.
Q:Can a solar controller be used with solar-powered refrigeration systems?
Yes, a solar controller can be used with solar-powered refrigeration systems. A solar controller is a device that regulates the voltage and current coming from solar panels to ensure the efficient charging and discharging of batteries. It helps to maximize the performance of the solar panels and protect the batteries from overcharging or discharging. In a solar-powered refrigeration system, the solar controller can be used to manage the power flow from the solar panels to the batteries that store the energy. It ensures that the batteries are charged properly during daylight hours and that the refrigeration system operates efficiently when the sun is not shining. By using a solar controller, solar-powered refrigeration systems can effectively harness solar energy and provide reliable cooling without relying on the grid or fossil fuels.
Q:How does a solar controller handle battery absorption charging?
A solar controller handles battery absorption charging by regulating the charging process to ensure that the battery is charged to its maximum capacity without overcharging. It monitors the battery voltage and adjusts the charging voltage accordingly to maintain a steady and safe charging rate. Once the battery reaches its absorption voltage set point, the solar controller reduces the charging voltage to a lower level to avoid overcharging the battery, prolonging its lifespan and ensuring optimal performance.
Q:How do I prevent reverse current flow with a solar controller?
To prevent reverse current flow with a solar controller, the following steps can be taken: 1. Ensure that the solar controller you purchase has a built-in feature for reverse current protection. This will prevent current from flowing back into the solar panel when there is no sunlight or when the battery is fully charged. 2. Install a blocking diode in the circuit between the solar panel and the solar controller. This diode will act as a one-way valve, allowing current to flow from the solar panel to the controller but preventing reverse current flow. 3. Make sure to properly wire the solar controller by following the manufacturer's instructions. It is important to correctly connect the solar panel, battery, and load to the solar controller. Improper wiring can result in reverse current flow and potential damage to the solar system. 4. Use a charge controller that has a low voltage disconnect (LVD) feature. This feature automatically disconnects the load from the battery when it reaches a critically low voltage. By doing so, excessive discharge of the battery is prevented, which can lead to reverse current flow. 5. Regularly monitor the performance of the solar system and be vigilant for any signs of reverse current flow. Keep an eye on the battery voltage, charging status, and any unusual behavior that may indicate a problem. If reverse current flow is detected, promptly investigate and take the necessary steps to rectify the issue. By implementing these measures, reverse current flow can be effectively prevented, ensuring the efficient and safe operation of your solar system.
Q:How does a solar controller prevent damage from power surges?
A solar controller prevents damage from power surges by regulating and monitoring the incoming solar power to ensure it stays within safe voltage levels. In case of a power surge, the controller redirects the excess energy and diverts it away from the connected devices or batteries, thus protecting them from potential damage.

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