PWM Solar Controllers - 10a/20a/30a MPPT Solar Controller, 12/24v Adjustable MPPT Solar Charge Controller with LCD Display
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 unit
- Supply Capability:
- 100000 unit/month
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1. General Description
This solar streetlight controller is specially designed for small-scale off-grid solar generation system. It is applicable to the solar hybrid streetlight system, solar monitor system and so on. The equipment could control solar cells charging to battery safely and efficiently.
2. Functions & Features
Efficient MPPT Charging Mode
Battery Maximum Charging Current Smart Limiting
DC Output,6 Output Modes
Output Take Short Circuit Protection
Using or Not Using Solar to Charge to Battery Could be Set Manually
Using or Not Using Output Could be Set Manually
LCD Display Multi-level Menu; Intelligent Button Settings
Battery Over-discharge & Over-Charge Protection
3. Product Models
LSLM10A-12V | LSLM20A-12V | LSLM30A-12V |
LSLM10A-24V | LSLM20A-24V | LSLM30A-24V |
4.Our Services
We are specialized in solar controller , wind solar controller and inverter, all the components for off gird solar power system. Any OEM or ODM products will be welcomed anytime.
5. FAQ
Q. How many with the MOQ?
A.100PCS
Q, What is the payment method:
A.T/T,L/C
Q, how long with the date of order
A. About 15-25 Days
Q. Where are you main market?
A. Our main market is South Africa and we provide more service to Southeast Asia, Middle East and South America.
Q: What are your certification?
A.CE, ISO, CCC
Q: How long with your warranty.
A. We offer inverter, solar lighting , solar generator one-years warranty ,Sola panel warranty 20 years.
Q: How about with you scale of factory ?
A.We are bigger OEM ( Original Equipment Manufacturer). We have 500 workers and managers .
- Q: What is the maximum operating temperature of a solar controller?
- The maximum operating temperature of a solar controller varies depending on the specific model and manufacturer. However, most solar controllers are designed to operate within a temperature range of -10°C to 60°C (14°F to 140°F).
- Q: Which is more efficient: PWM solar controller or MPPT solar controller?
- Both PWM (Pulse Width Modulation) and MPPT (Maximum Power Point Tracking) solar controllers are commonly used in solar power systems, but they have different efficiency characteristics. PWM solar controllers are simpler and more cost-effective compared to MPPT controllers. They work by rapidly switching the solar panel's voltage on and off, resulting in a pulsing output that matches the battery voltage. This method is efficient when the solar panel voltage is close to the battery voltage, as it allows for a relatively high charging current. However, when the solar panel voltage is significantly higher than the battery voltage, PWM controllers suffer from a reduction in efficiency. This is because the excess voltage is simply converted into heat, leading to power loss. On the other hand, MPPT solar controllers are designed to maximize the power output from the solar panels. They track the maximum power point of the solar panel by continuously adjusting the load to find the optimal operating voltage. By doing so, MPPT controllers can extract more power from the solar panels, especially in situations where the solar panel voltage is higher than the battery voltage. This ability to match the panel voltage with the battery voltage results in higher overall efficiency and better utilization of available solar power. In summary, while PWM solar controllers are more economical and efficient when the solar panel voltage is close to the battery voltage, MPPT controllers provide higher efficiency and better performance when the solar panel voltage is significantly higher. Therefore, MPPT solar controllers are generally considered more efficient in most scenarios, particularly when dealing with larger solar power systems or when the solar panel voltage varies significantly.
- Q: Can a solar controller be used with a 48V battery bank?
- A 48V battery bank can indeed be used in conjunction with a solar controller. The main role of the solar controller is to regulate the electricity flow from the solar panels to the battery bank. Its primary functions are to efficiently charge the batteries and safeguard them against both overcharging and discharging. The majority of solar controllers are equipped with a wide voltage range capability, making them compatible with 48V battery banks. Therefore, as long as the solar controller is designed to handle the battery bank's voltage, it can effectively operate within a 48V system. Before installation, it is crucial to verify that the solar controller is compatible with the specific voltage of the battery bank in order to prevent any potential compatibility issues.
- Q: Can a solar controller be used with a solar-powered weather station?
- Yes, a solar controller can be used with a solar-powered weather station. A solar controller helps regulate the charging and discharging of batteries in a solar system, ensuring efficient and safe operation. It can effectively manage the energy generated by the solar panels and supply power to the weather station while also storing excess energy for use during cloudy or nighttime conditions.
- Q: What is the maximum charging time a solar controller can handle?
- The maximum charging time a solar controller can handle depends on various factors such as the capacity of the solar panels, the battery capacity, and the charging efficiency. However, generally speaking, solar controllers are designed to handle continuous charging for extended periods of time without any issues.
- Q: How does a solar controller handle fluctuations in solar panel output due to dust or dirt?
- A solar controller is designed to handle fluctuations in solar panel output caused by dust or dirt by employing various mechanisms and features. One of the primary functions of a solar controller is to regulate and optimize the charging process of batteries connected to the solar panel system. When dust or dirt accumulates on the surface of solar panels, it can significantly reduce their efficiency and output power. To overcome this issue, solar controllers are equipped with Maximum Power Point Tracking (MPPT) technology. MPPT technology enables the controller to continuously track the maximum power point of the solar panels, even in the presence of dust or dirt. By dynamically adjusting the input voltage and current to match the optimal power point, the controller ensures that the solar panels operate at their highest efficiency, compensating for any loss caused by the dirt or dust. Furthermore, solar controllers also incorporate features such as temperature compensation and advanced algorithms. These features help the controller adapt to changes in environmental conditions and compensate for any reduction in panel output due to dust or dirt. For example, the temperature compensation feature adjusts the charging parameters based on the temperature of the solar panels, ensuring optimal charging even in varying weather conditions. Additionally, some solar controllers also have built-in monitoring capabilities, allowing users to monitor the performance of their solar panels and identify any drop in output power caused by dust or dirt. This helps users assess when it's necessary to clean their solar panels to maintain optimal performance. In summary, a solar controller handles fluctuations in solar panel output caused by dust or dirt through the implementation of MPPT technology, temperature compensation, advanced algorithms, and monitoring features. These mechanisms enable the controller to maximize the efficiency of the solar panels and compensate for any loss in output power due to dirt or dust accumulation.
- Q: Can a solar controller be used with solar panel tracking algorithms?
- Yes, a solar controller can be used with solar panel tracking algorithms. A solar controller is responsible for managing and regulating the power flow between the solar panels and the batteries or electrical loads. It ensures that the solar panels are operating at their maximum efficiency and prevents overcharging or over-discharging of the batteries. Solar panel tracking algorithms, on the other hand, are used to optimize the positioning of solar panels to maximize the absorption of sunlight throughout the day. These algorithms calculate the sun's position and adjust the tilt and orientation of the solar panels accordingly. By integrating a solar controller with solar panel tracking algorithms, the system becomes more efficient and effective. The solar controller can receive input from the tracking algorithms to adjust the power flow based on the real-time position of the sun. This allows the solar panels to continuously operate at their optimal angle, resulting in increased energy production. Furthermore, the solar controller can also provide feedback to the tracking algorithms by monitoring the power output of the solar panels. If any issues arise, such as a decrease in output due to shading or malfunctioning panels, the controller can alert the tracking algorithms to make necessary adjustments. In summary, by combining a solar controller with solar panel tracking algorithms, the overall performance and energy production of the solar system can be significantly improved.
- Q: How does a solar controller handle battery over-discharge protection?
- A solar controller handles battery over-discharge protection by monitoring the voltage level of the battery. When the voltage drops below a certain threshold, the controller will automatically disconnect the battery from the solar panel to prevent further discharge. This helps to prolong the battery's lifespan and prevent damage from excessive discharge.
- Q: What is the role of a solar controller in preventing damage to the solar panels from electrical faults?
- The solar controller holds a crucial position in safeguarding the solar panels against electrical faults. Also referred to as a charge controller or regulator, it assumes the responsibility of managing and overseeing the electricity transmission from the solar panels to the batteries or electrical loads. One of the primary tasks of the solar controller is to shield the solar panels from overcharging. When the batteries have reached their full charge, surplus energy from the solar panels can result in overcharging, which in turn can deteriorate the batteries and truncate their lifespan. The solar controller diligently monitors the battery voltage and skillfully redirects the excess energy away from the batteries to prevent overcharging. Moreover, the solar controller performs an indispensable role in averting damage to the solar panels caused by electrical faults like short circuits or reverse current. In the event of such mishaps, the solar controller promptly identifies these faults and promptly interrupts the flow of electricity originating from the solar panels. By discontinuing the electrical connection, the solar controller effectively curtails further harm to the panels and guarantees the safety of the entire solar power system. Additionally, the solar controller also provides protection against battery over-discharging. Over-discharging poses a significant threat to the batteries and can lead to irreversible damage. In order to counteract this issue, the solar controller diligently monitors the battery voltage and disconnects the loads when the voltage reaches a certain low level. This proactive measure successfully prevents over-discharging and significantly extends the batteries' lifespan. In summary, the solar controller plays a pivotal role in preventing damage to the solar panels caused by electrical faults. Its duties encompass regulating and controlling the flow of electricity, safeguarding against overcharging, detecting and interrupting electrical faults, as well as preventing battery over-discharging. By effectively executing these functions, the solar controller ensures the optimal performance and longevity of the solar panels, batteries, and the entire solar power system.
- Q: Can a solar controller be used with solar panels of different flexibilities?
- Yes, a solar controller can be used with solar panels of different flexibilities. The main purpose of a solar controller is to regulate the charging process of the batteries connected to the solar panel system. It manages the flow of electricity from the solar panels to the batteries, ensuring an optimal charge. The flexibility of the solar panels, whether rigid or flexible, does not affect the compatibility with the solar controller. As long as the solar panels are designed to generate electricity from sunlight, they can be connected to a solar controller to charge the batteries effectively.
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PWM Solar Controllers - 10a/20a/30a MPPT Solar Controller, 12/24v Adjustable MPPT Solar Charge Controller with LCD Display
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 unit
- Supply Capability:
- 100000 unit/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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